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1
/*
2
 * QEMU System Emulator
3
 *
4
 * Copyright (c) 2003-2008 Fabrice Bellard
5
 *
6
 * Permission is hereby granted, free of charge, to any person obtaining a copy
7
 * of this software and associated documentation files (the "Software"), to deal
8
 * in the Software without restriction, including without limitation the rights
9
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10
 * copies of the Software, and to permit persons to whom the Software is
11
 * furnished to do so, subject to the following conditions:
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 *
13
 * The above copyright notice and this permission notice shall be included in
14
 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22
 * THE SOFTWARE.
23
 */
24
#include <unistd.h>
25
#include <fcntl.h>
26
#include <signal.h>
27
#include <time.h>
28
#include <errno.h>
29
#include <sys/time.h>
30
#include <zlib.h>
31

    
32
/* Needed early for CONFIG_BSD etc. */
33
#include "config-host.h"
34

    
35
#ifndef _WIN32
36
#include <libgen.h>
37
#include <sys/times.h>
38
#include <sys/wait.h>
39
#include <termios.h>
40
#include <sys/mman.h>
41
#include <sys/ioctl.h>
42
#include <sys/resource.h>
43
#include <sys/socket.h>
44
#include <netinet/in.h>
45
#include <net/if.h>
46
#include <arpa/inet.h>
47
#include <dirent.h>
48
#include <netdb.h>
49
#include <sys/select.h>
50

    
51
#ifdef CONFIG_BSD
52
#include <sys/stat.h>
53
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__DragonFly__)
54
#include <libutil.h>
55
#include <sys/sysctl.h>
56
#else
57
#include <util.h>
58
#endif
59
#else
60
#ifdef __linux__
61
#include <pty.h>
62
#include <malloc.h>
63

    
64
#include <linux/ppdev.h>
65
#include <linux/parport.h>
66
#endif
67
#ifdef __sun__
68
#include <sys/stat.h>
69
#include <sys/ethernet.h>
70
#include <sys/sockio.h>
71
#include <netinet/arp.h>
72
#include <netinet/in_systm.h>
73
#include <netinet/ip.h>
74
#include <netinet/ip_icmp.h> // must come after ip.h
75
#include <netinet/udp.h>
76
#include <netinet/tcp.h>
77
#include <net/if.h>
78
#include <syslog.h>
79
#include <stropts.h>
80
#endif
81
#endif
82
#endif
83

    
84
#if defined(__OpenBSD__)
85
#include <util.h>
86
#endif
87

    
88
#if defined(CONFIG_VDE)
89
#include <libvdeplug.h>
90
#endif
91

    
92
#ifdef _WIN32
93
#include <windows.h>
94
#endif
95

    
96
#ifdef CONFIG_SDL
97
#if defined(__APPLE__) || defined(main)
98
#include <SDL.h>
99
int qemu_main(int argc, char **argv, char **envp);
100
int main(int argc, char **argv)
101
{
102
    return qemu_main(argc, argv, NULL);
103
}
104
#undef main
105
#define main qemu_main
106
#endif
107
#endif /* CONFIG_SDL */
108

    
109
#ifdef CONFIG_COCOA
110
#undef main
111
#define main qemu_main
112
#endif /* CONFIG_COCOA */
113

    
114
#include <glib.h>
115

    
116
#include "hw/hw.h"
117
#include "hw/boards.h"
118
#include "hw/usb.h"
119
#include "hw/pcmcia.h"
120
#include "hw/pc.h"
121
#include "hw/isa.h"
122
#include "hw/baum.h"
123
#include "hw/bt.h"
124
#include "hw/watchdog.h"
125
#include "hw/smbios.h"
126
#include "hw/xen.h"
127
#include "hw/qdev.h"
128
#include "hw/loader.h"
129
#include "bt-host.h"
130
#include "net.h"
131
#include "net/slirp.h"
132
#include "monitor.h"
133
#include "console.h"
134
#include "sysemu.h"
135
#include "gdbstub.h"
136
#include "qemu-timer.h"
137
#include "qemu-char.h"
138
#include "cache-utils.h"
139
#include "block.h"
140
#include "blockdev.h"
141
#include "block-migration.h"
142
#include "dma.h"
143
#include "audio/audio.h"
144
#include "migration.h"
145
#include "kvm.h"
146
#include "qjson.h"
147
#include "qemu-option.h"
148
#include "qemu-config.h"
149
#include "qemu-options.h"
150
#include "qmp-commands.h"
151
#include "main-loop.h"
152
#ifdef CONFIG_VIRTFS
153
#include "fsdev/qemu-fsdev.h"
154
#endif
155

    
156
#include "disas.h"
157

    
158
#include "qemu_socket.h"
159

    
160
#include "slirp/libslirp.h"
161

    
162
#include "trace.h"
163
#include "trace/control.h"
164
#include "qemu-queue.h"
165
#include "cpus.h"
166
#include "arch_init.h"
167

    
168
#include "ui/qemu-spice.h"
169

    
170
//#define DEBUG_NET
171
//#define DEBUG_SLIRP
172

    
173
#define DEFAULT_RAM_SIZE 128
174

    
175
#define MAX_VIRTIO_CONSOLES 1
176

    
177
static const char *data_dir;
178
const char *bios_name = NULL;
179
enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
180
DisplayType display_type = DT_DEFAULT;
181
int display_remote = 0;
182
const char* keyboard_layout = NULL;
183
ram_addr_t ram_size;
184
const char *mem_path = NULL;
185
#ifdef MAP_POPULATE
186
int mem_prealloc = 0; /* force preallocation of physical target memory */
187
#endif
188
int nb_nics;
189
NICInfo nd_table[MAX_NICS];
190
int autostart;
191
static int rtc_utc = 1;
192
static int rtc_date_offset = -1; /* -1 means no change */
193
QEMUClock *rtc_clock;
194
int vga_interface_type = VGA_NONE;
195
static int full_screen = 0;
196
#ifdef CONFIG_SDL
197
static int no_frame = 0;
198
#endif
199
int no_quit = 0;
200
CharDriverState *serial_hds[MAX_SERIAL_PORTS];
201
CharDriverState *parallel_hds[MAX_PARALLEL_PORTS];
202
CharDriverState *virtcon_hds[MAX_VIRTIO_CONSOLES];
203
int win2k_install_hack = 0;
204
int usb_enabled = 0;
205
int singlestep = 0;
206
int smp_cpus = 1;
207
int max_cpus = 0;
208
int smp_cores = 1;
209
int smp_threads = 1;
210
#ifdef CONFIG_VNC
211
const char *vnc_display;
212
#endif
213
int acpi_enabled = 1;
214
int no_hpet = 0;
215
int fd_bootchk = 1;
216
int no_reboot = 0;
217
int no_shutdown = 0;
218
int cursor_hide = 1;
219
int graphic_rotate = 0;
220
const char *watchdog;
221
QEMUOptionRom option_rom[MAX_OPTION_ROMS];
222
int nb_option_roms;
223
int semihosting_enabled = 0;
224
int old_param = 0;
225
const char *qemu_name;
226
int alt_grab = 0;
227
int ctrl_grab = 0;
228
unsigned int nb_prom_envs = 0;
229
const char *prom_envs[MAX_PROM_ENVS];
230
int boot_menu;
231
uint8_t *boot_splash_filedata;
232
int boot_splash_filedata_size;
233
uint8_t qemu_extra_params_fw[2];
234

    
235
typedef struct FWBootEntry FWBootEntry;
236

    
237
struct FWBootEntry {
238
    QTAILQ_ENTRY(FWBootEntry) link;
239
    int32_t bootindex;
240
    DeviceState *dev;
241
    char *suffix;
242
};
243

    
244
QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order);
245

    
246
int nb_numa_nodes;
247
uint64_t node_mem[MAX_NODES];
248
uint64_t node_cpumask[MAX_NODES];
249

    
250
uint8_t qemu_uuid[16];
251

    
252
static QEMUBootSetHandler *boot_set_handler;
253
static void *boot_set_opaque;
254

    
255
static NotifierList exit_notifiers =
256
    NOTIFIER_LIST_INITIALIZER(exit_notifiers);
257

    
258
static NotifierList machine_init_done_notifiers =
259
    NOTIFIER_LIST_INITIALIZER(machine_init_done_notifiers);
260

    
261
static int tcg_allowed = 1;
262
int kvm_allowed = 0;
263
int xen_allowed = 0;
264
uint32_t xen_domid;
265
enum xen_mode xen_mode = XEN_EMULATE;
266
static int tcg_tb_size;
267

    
268
static int default_serial = 1;
269
static int default_parallel = 1;
270
static int default_virtcon = 1;
271
static int default_monitor = 1;
272
static int default_floppy = 1;
273
static int default_cdrom = 1;
274
static int default_sdcard = 1;
275

    
276
static struct {
277
    const char *driver;
278
    int *flag;
279
} default_list[] = {
280
    { .driver = "isa-serial",           .flag = &default_serial    },
281
    { .driver = "isa-parallel",         .flag = &default_parallel  },
282
    { .driver = "isa-fdc",              .flag = &default_floppy    },
283
    { .driver = "ide-cd",               .flag = &default_cdrom     },
284
    { .driver = "ide-hd",               .flag = &default_cdrom     },
285
    { .driver = "ide-drive",            .flag = &default_cdrom     },
286
    { .driver = "scsi-cd",              .flag = &default_cdrom     },
287
    { .driver = "virtio-serial-pci",    .flag = &default_virtcon   },
288
    { .driver = "virtio-serial-s390",   .flag = &default_virtcon   },
289
    { .driver = "virtio-serial",        .flag = &default_virtcon   },
290
};
291

    
292
static void res_free(void)
293
{
294
    if (boot_splash_filedata != NULL) {
295
        g_free(boot_splash_filedata);
296
        boot_splash_filedata = NULL;
297
    }
298
}
299

    
300
static int default_driver_check(QemuOpts *opts, void *opaque)
301
{
302
    const char *driver = qemu_opt_get(opts, "driver");
303
    int i;
304

    
305
    if (!driver)
306
        return 0;
307
    for (i = 0; i < ARRAY_SIZE(default_list); i++) {
308
        if (strcmp(default_list[i].driver, driver) != 0)
309
            continue;
310
        *(default_list[i].flag) = 0;
311
    }
312
    return 0;
313
}
314

    
315
/***********************************************************/
316
/* QEMU state */
317

    
318
static RunState current_run_state = RUN_STATE_PRELAUNCH;
319

    
320
typedef struct {
321
    RunState from;
322
    RunState to;
323
} RunStateTransition;
324

    
325
static const RunStateTransition runstate_transitions_def[] = {
326
    /*     from      ->     to      */
327
    { RUN_STATE_DEBUG, RUN_STATE_RUNNING },
328

    
329
    { RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
330
    { RUN_STATE_INMIGRATE, RUN_STATE_PRELAUNCH },
331

    
332
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
333
    { RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
334

    
335
    { RUN_STATE_IO_ERROR, RUN_STATE_RUNNING },
336
    { RUN_STATE_IO_ERROR, RUN_STATE_FINISH_MIGRATE },
337

    
338
    { RUN_STATE_PAUSED, RUN_STATE_RUNNING },
339
    { RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
340

    
341
    { RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
342
    { RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
343

    
344
    { RUN_STATE_PRELAUNCH, RUN_STATE_RUNNING },
345
    { RUN_STATE_PRELAUNCH, RUN_STATE_FINISH_MIGRATE },
346
    { RUN_STATE_PRELAUNCH, RUN_STATE_INMIGRATE },
347

    
348
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
349
    { RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
350

    
351
    { RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
352

    
353
    { RUN_STATE_RUNNING, RUN_STATE_DEBUG },
354
    { RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
355
    { RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
356
    { RUN_STATE_RUNNING, RUN_STATE_PAUSED },
357
    { RUN_STATE_RUNNING, RUN_STATE_FINISH_MIGRATE },
358
    { RUN_STATE_RUNNING, RUN_STATE_RESTORE_VM },
359
    { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
360
    { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
361
    { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
362

    
363
    { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
364

    
365
    { RUN_STATE_SHUTDOWN, RUN_STATE_PAUSED },
366
    { RUN_STATE_SHUTDOWN, RUN_STATE_FINISH_MIGRATE },
367

    
368
    { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
369
    { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
370

    
371
    { RUN_STATE_MAX, RUN_STATE_MAX },
372
};
373

    
374
static bool runstate_valid_transitions[RUN_STATE_MAX][RUN_STATE_MAX];
375

    
376
bool runstate_check(RunState state)
377
{
378
    return current_run_state == state;
379
}
380

    
381
void runstate_init(void)
382
{
383
    const RunStateTransition *p;
384

    
385
    memset(&runstate_valid_transitions, 0, sizeof(runstate_valid_transitions));
386

    
387
    for (p = &runstate_transitions_def[0]; p->from != RUN_STATE_MAX; p++) {
388
        runstate_valid_transitions[p->from][p->to] = true;
389
    }
390
}
391

    
392
/* This function will abort() on invalid state transitions */
393
void runstate_set(RunState new_state)
394
{
395
    assert(new_state < RUN_STATE_MAX);
396

    
397
    if (!runstate_valid_transitions[current_run_state][new_state]) {
398
        fprintf(stderr, "ERROR: invalid runstate transition: '%s' -> '%s'\n",
399
                RunState_lookup[current_run_state],
400
                RunState_lookup[new_state]);
401
        abort();
402
    }
403

    
404
    current_run_state = new_state;
405
}
406

    
407
int runstate_is_running(void)
408
{
409
    return runstate_check(RUN_STATE_RUNNING);
410
}
411

    
412
StatusInfo *qmp_query_status(Error **errp)
413
{
414
    StatusInfo *info = g_malloc0(sizeof(*info));
415

    
416
    info->running = runstate_is_running();
417
    info->singlestep = singlestep;
418
    info->status = current_run_state;
419

    
420
    return info;
421
}
422

    
423
/***********************************************************/
424
/* real time host monotonic timer */
425

    
426
/***********************************************************/
427
/* host time/date access */
428
void qemu_get_timedate(struct tm *tm, int offset)
429
{
430
    time_t ti;
431
    struct tm *ret;
432

    
433
    time(&ti);
434
    ti += offset;
435
    if (rtc_date_offset == -1) {
436
        if (rtc_utc)
437
            ret = gmtime(&ti);
438
        else
439
            ret = localtime(&ti);
440
    } else {
441
        ti -= rtc_date_offset;
442
        ret = gmtime(&ti);
443
    }
444

    
445
    memcpy(tm, ret, sizeof(struct tm));
446
}
447

    
448
int qemu_timedate_diff(struct tm *tm)
449
{
450
    time_t seconds;
451

    
452
    if (rtc_date_offset == -1)
453
        if (rtc_utc)
454
            seconds = mktimegm(tm);
455
        else {
456
            struct tm tmp = *tm;
457
            tmp.tm_isdst = -1; /* use timezone to figure it out */
458
            seconds = mktime(&tmp);
459
        }
460
    else
461
        seconds = mktimegm(tm) + rtc_date_offset;
462

    
463
    return seconds - time(NULL);
464
}
465

    
466
void rtc_change_mon_event(struct tm *tm)
467
{
468
    QObject *data;
469

    
470
    data = qobject_from_jsonf("{ 'offset': %d }", qemu_timedate_diff(tm));
471
    monitor_protocol_event(QEVENT_RTC_CHANGE, data);
472
    qobject_decref(data);
473
}
474

    
475
static void configure_rtc_date_offset(const char *startdate, int legacy)
476
{
477
    time_t rtc_start_date;
478
    struct tm tm;
479

    
480
    if (!strcmp(startdate, "now") && legacy) {
481
        rtc_date_offset = -1;
482
    } else {
483
        if (sscanf(startdate, "%d-%d-%dT%d:%d:%d",
484
                   &tm.tm_year,
485
                   &tm.tm_mon,
486
                   &tm.tm_mday,
487
                   &tm.tm_hour,
488
                   &tm.tm_min,
489
                   &tm.tm_sec) == 6) {
490
            /* OK */
491
        } else if (sscanf(startdate, "%d-%d-%d",
492
                          &tm.tm_year,
493
                          &tm.tm_mon,
494
                          &tm.tm_mday) == 3) {
495
            tm.tm_hour = 0;
496
            tm.tm_min = 0;
497
            tm.tm_sec = 0;
498
        } else {
499
            goto date_fail;
500
        }
501
        tm.tm_year -= 1900;
502
        tm.tm_mon--;
503
        rtc_start_date = mktimegm(&tm);
504
        if (rtc_start_date == -1) {
505
        date_fail:
506
            fprintf(stderr, "Invalid date format. Valid formats are:\n"
507
                            "'2006-06-17T16:01:21' or '2006-06-17'\n");
508
            exit(1);
509
        }
510
        rtc_date_offset = time(NULL) - rtc_start_date;
511
    }
512
}
513

    
514
static void configure_rtc(QemuOpts *opts)
515
{
516
    const char *value;
517

    
518
    value = qemu_opt_get(opts, "base");
519
    if (value) {
520
        if (!strcmp(value, "utc")) {
521
            rtc_utc = 1;
522
        } else if (!strcmp(value, "localtime")) {
523
            rtc_utc = 0;
524
        } else {
525
            configure_rtc_date_offset(value, 0);
526
        }
527
    }
528
    value = qemu_opt_get(opts, "clock");
529
    if (value) {
530
        if (!strcmp(value, "host")) {
531
            rtc_clock = host_clock;
532
        } else if (!strcmp(value, "vm")) {
533
            rtc_clock = vm_clock;
534
        } else {
535
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
536
            exit(1);
537
        }
538
    }
539
    value = qemu_opt_get(opts, "driftfix");
540
    if (value) {
541
        if (!strcmp(value, "slew")) {
542
            static GlobalProperty slew_lost_ticks[] = {
543
                {
544
                    .driver   = "mc146818rtc",
545
                    .property = "lost_tick_policy",
546
                    .value    = "slew",
547
                },
548
                { /* end of list */ }
549
            };
550

    
551
            qdev_prop_register_global_list(slew_lost_ticks);
552
        } else if (!strcmp(value, "none")) {
553
            /* discard is default */
554
        } else {
555
            fprintf(stderr, "qemu: invalid option value '%s'\n", value);
556
            exit(1);
557
        }
558
    }
559
}
560

    
561
/***********************************************************/
562
/* Bluetooth support */
563
static int nb_hcis;
564
static int cur_hci;
565
static struct HCIInfo *hci_table[MAX_NICS];
566

    
567
static struct bt_vlan_s {
568
    struct bt_scatternet_s net;
569
    int id;
570
    struct bt_vlan_s *next;
571
} *first_bt_vlan;
572

    
573
/* find or alloc a new bluetooth "VLAN" */
574
static struct bt_scatternet_s *qemu_find_bt_vlan(int id)
575
{
576
    struct bt_vlan_s **pvlan, *vlan;
577
    for (vlan = first_bt_vlan; vlan != NULL; vlan = vlan->next) {
578
        if (vlan->id == id)
579
            return &vlan->net;
580
    }
581
    vlan = g_malloc0(sizeof(struct bt_vlan_s));
582
    vlan->id = id;
583
    pvlan = &first_bt_vlan;
584
    while (*pvlan != NULL)
585
        pvlan = &(*pvlan)->next;
586
    *pvlan = vlan;
587
    return &vlan->net;
588
}
589

    
590
static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len)
591
{
592
}
593

    
594
static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr)
595
{
596
    return -ENOTSUP;
597
}
598

    
599
static struct HCIInfo null_hci = {
600
    .cmd_send = null_hci_send,
601
    .sco_send = null_hci_send,
602
    .acl_send = null_hci_send,
603
    .bdaddr_set = null_hci_addr_set,
604
};
605

    
606
struct HCIInfo *qemu_next_hci(void)
607
{
608
    if (cur_hci == nb_hcis)
609
        return &null_hci;
610

    
611
    return hci_table[cur_hci++];
612
}
613

    
614
static struct HCIInfo *hci_init(const char *str)
615
{
616
    char *endp;
617
    struct bt_scatternet_s *vlan = 0;
618

    
619
    if (!strcmp(str, "null"))
620
        /* null */
621
        return &null_hci;
622
    else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':'))
623
        /* host[:hciN] */
624
        return bt_host_hci(str[4] ? str + 5 : "hci0");
625
    else if (!strncmp(str, "hci", 3)) {
626
        /* hci[,vlan=n] */
627
        if (str[3]) {
628
            if (!strncmp(str + 3, ",vlan=", 6)) {
629
                vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0));
630
                if (*endp)
631
                    vlan = 0;
632
            }
633
        } else
634
            vlan = qemu_find_bt_vlan(0);
635
        if (vlan)
636
           return bt_new_hci(vlan);
637
    }
638

    
639
    fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", str);
640

    
641
    return 0;
642
}
643

    
644
static int bt_hci_parse(const char *str)
645
{
646
    struct HCIInfo *hci;
647
    bdaddr_t bdaddr;
648

    
649
    if (nb_hcis >= MAX_NICS) {
650
        fprintf(stderr, "qemu: Too many bluetooth HCIs (max %i).\n", MAX_NICS);
651
        return -1;
652
    }
653

    
654
    hci = hci_init(str);
655
    if (!hci)
656
        return -1;
657

    
658
    bdaddr.b[0] = 0x52;
659
    bdaddr.b[1] = 0x54;
660
    bdaddr.b[2] = 0x00;
661
    bdaddr.b[3] = 0x12;
662
    bdaddr.b[4] = 0x34;
663
    bdaddr.b[5] = 0x56 + nb_hcis;
664
    hci->bdaddr_set(hci, bdaddr.b);
665

    
666
    hci_table[nb_hcis++] = hci;
667

    
668
    return 0;
669
}
670

    
671
static void bt_vhci_add(int vlan_id)
672
{
673
    struct bt_scatternet_s *vlan = qemu_find_bt_vlan(vlan_id);
674

    
675
    if (!vlan->slave)
676
        fprintf(stderr, "qemu: warning: adding a VHCI to "
677
                        "an empty scatternet %i\n", vlan_id);
678

    
679
    bt_vhci_init(bt_new_hci(vlan));
680
}
681

    
682
static struct bt_device_s *bt_device_add(const char *opt)
683
{
684
    struct bt_scatternet_s *vlan;
685
    int vlan_id = 0;
686
    char *endp = strstr(opt, ",vlan=");
687
    int len = (endp ? endp - opt : strlen(opt)) + 1;
688
    char devname[10];
689

    
690
    pstrcpy(devname, MIN(sizeof(devname), len), opt);
691

    
692
    if (endp) {
693
        vlan_id = strtol(endp + 6, &endp, 0);
694
        if (*endp) {
695
            fprintf(stderr, "qemu: unrecognised bluetooth vlan Id\n");
696
            return 0;
697
        }
698
    }
699

    
700
    vlan = qemu_find_bt_vlan(vlan_id);
701

    
702
    if (!vlan->slave)
703
        fprintf(stderr, "qemu: warning: adding a slave device to "
704
                        "an empty scatternet %i\n", vlan_id);
705

    
706
    if (!strcmp(devname, "keyboard"))
707
        return bt_keyboard_init(vlan);
708

    
709
    fprintf(stderr, "qemu: unsupported bluetooth device `%s'\n", devname);
710
    return 0;
711
}
712

    
713
static int bt_parse(const char *opt)
714
{
715
    const char *endp, *p;
716
    int vlan;
717

    
718
    if (strstart(opt, "hci", &endp)) {
719
        if (!*endp || *endp == ',') {
720
            if (*endp)
721
                if (!strstart(endp, ",vlan=", 0))
722
                    opt = endp + 1;
723

    
724
            return bt_hci_parse(opt);
725
       }
726
    } else if (strstart(opt, "vhci", &endp)) {
727
        if (!*endp || *endp == ',') {
728
            if (*endp) {
729
                if (strstart(endp, ",vlan=", &p)) {
730
                    vlan = strtol(p, (char **) &endp, 0);
731
                    if (*endp) {
732
                        fprintf(stderr, "qemu: bad scatternet '%s'\n", p);
733
                        return 1;
734
                    }
735
                } else {
736
                    fprintf(stderr, "qemu: bad parameter '%s'\n", endp + 1);
737
                    return 1;
738
                }
739
            } else
740
                vlan = 0;
741

    
742
            bt_vhci_add(vlan);
743
            return 0;
744
        }
745
    } else if (strstart(opt, "device:", &endp))
746
        return !bt_device_add(endp);
747

    
748
    fprintf(stderr, "qemu: bad bluetooth parameter '%s'\n", opt);
749
    return 1;
750
}
751

    
752
/***********************************************************/
753
/* QEMU Block devices */
754

    
755
#define HD_OPTS "media=disk"
756
#define CDROM_OPTS "media=cdrom"
757
#define FD_OPTS ""
758
#define PFLASH_OPTS ""
759
#define MTD_OPTS ""
760
#define SD_OPTS ""
761

    
762
static int drive_init_func(QemuOpts *opts, void *opaque)
763
{
764
    int *use_scsi = opaque;
765

    
766
    return drive_init(opts, *use_scsi) == NULL;
767
}
768

    
769
static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
770
{
771
    if (NULL == qemu_opt_get(opts, "snapshot")) {
772
        qemu_opt_set(opts, "snapshot", "on");
773
    }
774
    return 0;
775
}
776

    
777
static void default_drive(int enable, int snapshot, int use_scsi,
778
                          BlockInterfaceType type, int index,
779
                          const char *optstr)
780
{
781
    QemuOpts *opts;
782

    
783
    if (type == IF_DEFAULT) {
784
        type = use_scsi ? IF_SCSI : IF_IDE;
785
    }
786

    
787
    if (!enable || drive_get_by_index(type, index)) {
788
        return;
789
    }
790

    
791
    opts = drive_add(type, index, NULL, optstr);
792
    if (snapshot) {
793
        drive_enable_snapshot(opts, NULL);
794
    }
795
    if (!drive_init(opts, use_scsi)) {
796
        exit(1);
797
    }
798
}
799

    
800
void qemu_register_boot_set(QEMUBootSetHandler *func, void *opaque)
801
{
802
    boot_set_handler = func;
803
    boot_set_opaque = opaque;
804
}
805

    
806
int qemu_boot_set(const char *boot_devices)
807
{
808
    if (!boot_set_handler) {
809
        return -EINVAL;
810
    }
811
    return boot_set_handler(boot_set_opaque, boot_devices);
812
}
813

    
814
static void validate_bootdevices(char *devices)
815
{
816
    /* We just do some generic consistency checks */
817
    const char *p;
818
    int bitmap = 0;
819

    
820
    for (p = devices; *p != '\0'; p++) {
821
        /* Allowed boot devices are:
822
         * a-b: floppy disk drives
823
         * c-f: IDE disk drives
824
         * g-m: machine implementation dependent drives
825
         * n-p: network devices
826
         * It's up to each machine implementation to check if the given boot
827
         * devices match the actual hardware implementation and firmware
828
         * features.
829
         */
830
        if (*p < 'a' || *p > 'p') {
831
            fprintf(stderr, "Invalid boot device '%c'\n", *p);
832
            exit(1);
833
        }
834
        if (bitmap & (1 << (*p - 'a'))) {
835
            fprintf(stderr, "Boot device '%c' was given twice\n", *p);
836
            exit(1);
837
        }
838
        bitmap |= 1 << (*p - 'a');
839
    }
840
}
841

    
842
static void restore_boot_devices(void *opaque)
843
{
844
    char *standard_boot_devices = opaque;
845
    static int first = 1;
846

    
847
    /* Restore boot order and remove ourselves after the first boot */
848
    if (first) {
849
        first = 0;
850
        return;
851
    }
852

    
853
    qemu_boot_set(standard_boot_devices);
854

    
855
    qemu_unregister_reset(restore_boot_devices, standard_boot_devices);
856
    g_free(standard_boot_devices);
857
}
858

    
859
void add_boot_device_path(int32_t bootindex, DeviceState *dev,
860
                          const char *suffix)
861
{
862
    FWBootEntry *node, *i;
863

    
864
    if (bootindex < 0) {
865
        return;
866
    }
867

    
868
    assert(dev != NULL || suffix != NULL);
869

    
870
    node = g_malloc0(sizeof(FWBootEntry));
871
    node->bootindex = bootindex;
872
    node->suffix = suffix ? g_strdup(suffix) : NULL;
873
    node->dev = dev;
874

    
875
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
876
        if (i->bootindex == bootindex) {
877
            fprintf(stderr, "Two devices with same boot index %d\n", bootindex);
878
            exit(1);
879
        } else if (i->bootindex < bootindex) {
880
            continue;
881
        }
882
        QTAILQ_INSERT_BEFORE(i, node, link);
883
        return;
884
    }
885
    QTAILQ_INSERT_TAIL(&fw_boot_order, node, link);
886
}
887

    
888
/*
889
 * This function returns null terminated string that consist of new line
890
 * separated device paths.
891
 *
892
 * memory pointed by "size" is assigned total length of the array in bytes
893
 *
894
 */
895
char *get_boot_devices_list(uint32_t *size)
896
{
897
    FWBootEntry *i;
898
    uint32_t total = 0;
899
    char *list = NULL;
900

    
901
    QTAILQ_FOREACH(i, &fw_boot_order, link) {
902
        char *devpath = NULL, *bootpath;
903
        int len;
904

    
905
        if (i->dev) {
906
            devpath = qdev_get_fw_dev_path(i->dev);
907
            assert(devpath);
908
        }
909

    
910
        if (i->suffix && devpath) {
911
            size_t bootpathlen = strlen(devpath) + strlen(i->suffix) + 1;
912

    
913
            bootpath = g_malloc(bootpathlen);
914
            snprintf(bootpath, bootpathlen, "%s%s", devpath, i->suffix);
915
            g_free(devpath);
916
        } else if (devpath) {
917
            bootpath = devpath;
918
        } else {
919
            assert(i->suffix);
920
            bootpath = g_strdup(i->suffix);
921
        }
922

    
923
        if (total) {
924
            list[total-1] = '\n';
925
        }
926
        len = strlen(bootpath) + 1;
927
        list = g_realloc(list, total + len);
928
        memcpy(&list[total], bootpath, len);
929
        total += len;
930
        g_free(bootpath);
931
    }
932

    
933
    *size = total;
934

    
935
    return list;
936
}
937

    
938
static void numa_add(const char *optarg)
939
{
940
    char option[128];
941
    char *endptr;
942
    unsigned long long value, endvalue;
943
    int nodenr;
944

    
945
    optarg = get_opt_name(option, 128, optarg, ',') + 1;
946
    if (!strcmp(option, "node")) {
947
        if (get_param_value(option, 128, "nodeid", optarg) == 0) {
948
            nodenr = nb_numa_nodes;
949
        } else {
950
            nodenr = strtoull(option, NULL, 10);
951
        }
952

    
953
        if (get_param_value(option, 128, "mem", optarg) == 0) {
954
            node_mem[nodenr] = 0;
955
        } else {
956
            int64_t sval;
957
            sval = strtosz(option, &endptr);
958
            if (sval < 0 || *endptr) {
959
                fprintf(stderr, "qemu: invalid numa mem size: %s\n", optarg);
960
                exit(1);
961
            }
962
            node_mem[nodenr] = sval;
963
        }
964
        if (get_param_value(option, 128, "cpus", optarg) == 0) {
965
            node_cpumask[nodenr] = 0;
966
        } else {
967
            value = strtoull(option, &endptr, 10);
968
            if (value >= 64) {
969
                value = 63;
970
                fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
971
            } else {
972
                if (*endptr == '-') {
973
                    endvalue = strtoull(endptr+1, &endptr, 10);
974
                    if (endvalue >= 63) {
975
                        endvalue = 62;
976
                        fprintf(stderr,
977
                            "only 63 CPUs in NUMA mode supported.\n");
978
                    }
979
                    value = (2ULL << endvalue) - (1ULL << value);
980
                } else {
981
                    value = 1ULL << value;
982
                }
983
            }
984
            node_cpumask[nodenr] = value;
985
        }
986
        nb_numa_nodes++;
987
    }
988
    return;
989
}
990

    
991
static void smp_parse(const char *optarg)
992
{
993
    int smp, sockets = 0, threads = 0, cores = 0;
994
    char *endptr;
995
    char option[128];
996

    
997
    smp = strtoul(optarg, &endptr, 10);
998
    if (endptr != optarg) {
999
        if (*endptr == ',') {
1000
            endptr++;
1001
        }
1002
    }
1003
    if (get_param_value(option, 128, "sockets", endptr) != 0)
1004
        sockets = strtoull(option, NULL, 10);
1005
    if (get_param_value(option, 128, "cores", endptr) != 0)
1006
        cores = strtoull(option, NULL, 10);
1007
    if (get_param_value(option, 128, "threads", endptr) != 0)
1008
        threads = strtoull(option, NULL, 10);
1009
    if (get_param_value(option, 128, "maxcpus", endptr) != 0)
1010
        max_cpus = strtoull(option, NULL, 10);
1011

    
1012
    /* compute missing values, prefer sockets over cores over threads */
1013
    if (smp == 0 || sockets == 0) {
1014
        sockets = sockets > 0 ? sockets : 1;
1015
        cores = cores > 0 ? cores : 1;
1016
        threads = threads > 0 ? threads : 1;
1017
        if (smp == 0) {
1018
            smp = cores * threads * sockets;
1019
        }
1020
    } else {
1021
        if (cores == 0) {
1022
            threads = threads > 0 ? threads : 1;
1023
            cores = smp / (sockets * threads);
1024
        } else {
1025
            threads = smp / (cores * sockets);
1026
        }
1027
    }
1028
    smp_cpus = smp;
1029
    smp_cores = cores > 0 ? cores : 1;
1030
    smp_threads = threads > 0 ? threads : 1;
1031
    if (max_cpus == 0)
1032
        max_cpus = smp_cpus;
1033
}
1034

    
1035
/***********************************************************/
1036
/* USB devices */
1037

    
1038
static int usb_device_add(const char *devname)
1039
{
1040
    const char *p;
1041
    USBDevice *dev = NULL;
1042

    
1043
    if (!usb_enabled)
1044
        return -1;
1045

    
1046
    /* drivers with .usbdevice_name entry in USBDeviceInfo */
1047
    dev = usbdevice_create(devname);
1048
    if (dev)
1049
        goto done;
1050

    
1051
    /* the other ones */
1052
#ifndef CONFIG_LINUX
1053
    /* only the linux version is qdev-ified, usb-bsd still needs this */
1054
    if (strstart(devname, "host:", &p)) {
1055
        dev = usb_host_device_open(usb_bus_find(-1), p);
1056
    } else
1057
#endif
1058
    if (!strcmp(devname, "bt") || strstart(devname, "bt:", &p)) {
1059
        dev = usb_bt_init(usb_bus_find(-1),
1060
                          devname[2] ? hci_init(p)
1061
                                     : bt_new_hci(qemu_find_bt_vlan(0)));
1062
    } else {
1063
        return -1;
1064
    }
1065
    if (!dev)
1066
        return -1;
1067

    
1068
done:
1069
    return 0;
1070
}
1071

    
1072
static int usb_device_del(const char *devname)
1073
{
1074
    int bus_num, addr;
1075
    const char *p;
1076

    
1077
    if (strstart(devname, "host:", &p))
1078
        return usb_host_device_close(p);
1079

    
1080
    if (!usb_enabled)
1081
        return -1;
1082

    
1083
    p = strchr(devname, '.');
1084
    if (!p)
1085
        return -1;
1086
    bus_num = strtoul(devname, NULL, 0);
1087
    addr = strtoul(p + 1, NULL, 0);
1088

    
1089
    return usb_device_delete_addr(bus_num, addr);
1090
}
1091

    
1092
static int usb_parse(const char *cmdline)
1093
{
1094
    int r;
1095
    r = usb_device_add(cmdline);
1096
    if (r < 0) {
1097
        fprintf(stderr, "qemu: could not add USB device '%s'\n", cmdline);
1098
    }
1099
    return r;
1100
}
1101

    
1102
void do_usb_add(Monitor *mon, const QDict *qdict)
1103
{
1104
    const char *devname = qdict_get_str(qdict, "devname");
1105
    if (usb_device_add(devname) < 0) {
1106
        error_report("could not add USB device '%s'", devname);
1107
    }
1108
}
1109

    
1110
void do_usb_del(Monitor *mon, const QDict *qdict)
1111
{
1112
    const char *devname = qdict_get_str(qdict, "devname");
1113
    if (usb_device_del(devname) < 0) {
1114
        error_report("could not delete USB device '%s'", devname);
1115
    }
1116
}
1117

    
1118
/***********************************************************/
1119
/* PCMCIA/Cardbus */
1120

    
1121
static struct pcmcia_socket_entry_s {
1122
    PCMCIASocket *socket;
1123
    struct pcmcia_socket_entry_s *next;
1124
} *pcmcia_sockets = 0;
1125

    
1126
void pcmcia_socket_register(PCMCIASocket *socket)
1127
{
1128
    struct pcmcia_socket_entry_s *entry;
1129

    
1130
    entry = g_malloc(sizeof(struct pcmcia_socket_entry_s));
1131
    entry->socket = socket;
1132
    entry->next = pcmcia_sockets;
1133
    pcmcia_sockets = entry;
1134
}
1135

    
1136
void pcmcia_socket_unregister(PCMCIASocket *socket)
1137
{
1138
    struct pcmcia_socket_entry_s *entry, **ptr;
1139

    
1140
    ptr = &pcmcia_sockets;
1141
    for (entry = *ptr; entry; ptr = &entry->next, entry = *ptr)
1142
        if (entry->socket == socket) {
1143
            *ptr = entry->next;
1144
            g_free(entry);
1145
        }
1146
}
1147

    
1148
void pcmcia_info(Monitor *mon)
1149
{
1150
    struct pcmcia_socket_entry_s *iter;
1151

    
1152
    if (!pcmcia_sockets)
1153
        monitor_printf(mon, "No PCMCIA sockets\n");
1154

    
1155
    for (iter = pcmcia_sockets; iter; iter = iter->next)
1156
        monitor_printf(mon, "%s: %s\n", iter->socket->slot_string,
1157
                       iter->socket->attached ? iter->socket->card_string :
1158
                       "Empty");
1159
}
1160

    
1161
/***********************************************************/
1162
/* machine registration */
1163

    
1164
static QEMUMachine *first_machine = NULL;
1165
QEMUMachine *current_machine = NULL;
1166

    
1167
int qemu_register_machine(QEMUMachine *m)
1168
{
1169
    QEMUMachine **pm;
1170
    pm = &first_machine;
1171
    while (*pm != NULL)
1172
        pm = &(*pm)->next;
1173
    m->next = NULL;
1174
    *pm = m;
1175
    return 0;
1176
}
1177

    
1178
static QEMUMachine *find_machine(const char *name)
1179
{
1180
    QEMUMachine *m;
1181

    
1182
    for(m = first_machine; m != NULL; m = m->next) {
1183
        if (!strcmp(m->name, name))
1184
            return m;
1185
        if (m->alias && !strcmp(m->alias, name))
1186
            return m;
1187
    }
1188
    return NULL;
1189
}
1190

    
1191
QEMUMachine *find_default_machine(void)
1192
{
1193
    QEMUMachine *m;
1194

    
1195
    for(m = first_machine; m != NULL; m = m->next) {
1196
        if (m->is_default) {
1197
            return m;
1198
        }
1199
    }
1200
    return NULL;
1201
}
1202

    
1203
/***********************************************************/
1204
/* main execution loop */
1205

    
1206
static void gui_update(void *opaque)
1207
{
1208
    uint64_t interval = GUI_REFRESH_INTERVAL;
1209
    DisplayState *ds = opaque;
1210
    DisplayChangeListener *dcl = ds->listeners;
1211

    
1212
    dpy_refresh(ds);
1213

    
1214
    while (dcl != NULL) {
1215
        if (dcl->gui_timer_interval &&
1216
            dcl->gui_timer_interval < interval)
1217
            interval = dcl->gui_timer_interval;
1218
        dcl = dcl->next;
1219
    }
1220
    qemu_mod_timer(ds->gui_timer, interval + qemu_get_clock_ms(rt_clock));
1221
}
1222

    
1223
struct vm_change_state_entry {
1224
    VMChangeStateHandler *cb;
1225
    void *opaque;
1226
    QLIST_ENTRY (vm_change_state_entry) entries;
1227
};
1228

    
1229
static QLIST_HEAD(vm_change_state_head, vm_change_state_entry) vm_change_state_head;
1230

    
1231
VMChangeStateEntry *qemu_add_vm_change_state_handler(VMChangeStateHandler *cb,
1232
                                                     void *opaque)
1233
{
1234
    VMChangeStateEntry *e;
1235

    
1236
    e = g_malloc0(sizeof (*e));
1237

    
1238
    e->cb = cb;
1239
    e->opaque = opaque;
1240
    QLIST_INSERT_HEAD(&vm_change_state_head, e, entries);
1241
    return e;
1242
}
1243

    
1244
void qemu_del_vm_change_state_handler(VMChangeStateEntry *e)
1245
{
1246
    QLIST_REMOVE (e, entries);
1247
    g_free (e);
1248
}
1249

    
1250
void vm_state_notify(int running, RunState state)
1251
{
1252
    VMChangeStateEntry *e;
1253

    
1254
    trace_vm_state_notify(running, state);
1255

    
1256
    for (e = vm_change_state_head.lh_first; e; e = e->entries.le_next) {
1257
        e->cb(e->opaque, running, state);
1258
    }
1259
}
1260

    
1261
void vm_start(void)
1262
{
1263
    if (!runstate_is_running()) {
1264
        cpu_enable_ticks();
1265
        runstate_set(RUN_STATE_RUNNING);
1266
        vm_state_notify(1, RUN_STATE_RUNNING);
1267
        resume_all_vcpus();
1268
        monitor_protocol_event(QEVENT_RESUME, NULL);
1269
    }
1270
}
1271

    
1272
/* reset/shutdown handler */
1273

    
1274
typedef struct QEMUResetEntry {
1275
    QTAILQ_ENTRY(QEMUResetEntry) entry;
1276
    QEMUResetHandler *func;
1277
    void *opaque;
1278
} QEMUResetEntry;
1279

    
1280
static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
1281
    QTAILQ_HEAD_INITIALIZER(reset_handlers);
1282
static int reset_requested;
1283
static int shutdown_requested, shutdown_signal = -1;
1284
static pid_t shutdown_pid;
1285
static int powerdown_requested;
1286
static int debug_requested;
1287
static int suspend_requested;
1288
static bool is_suspended;
1289
static NotifierList suspend_notifiers =
1290
    NOTIFIER_LIST_INITIALIZER(suspend_notifiers);
1291
static NotifierList wakeup_notifiers =
1292
    NOTIFIER_LIST_INITIALIZER(wakeup_notifiers);
1293
static uint32_t wakeup_reason_mask = ~0;
1294
static RunState vmstop_requested = RUN_STATE_MAX;
1295

    
1296
int qemu_shutdown_requested_get(void)
1297
{
1298
    return shutdown_requested;
1299
}
1300

    
1301
int qemu_reset_requested_get(void)
1302
{
1303
    return reset_requested;
1304
}
1305

    
1306
int qemu_shutdown_requested(void)
1307
{
1308
    int r = shutdown_requested;
1309
    shutdown_requested = 0;
1310
    return r;
1311
}
1312

    
1313
void qemu_kill_report(void)
1314
{
1315
    if (shutdown_signal != -1) {
1316
        fprintf(stderr, "qemu: terminating on signal %d", shutdown_signal);
1317
        if (shutdown_pid == 0) {
1318
            /* This happens for eg ^C at the terminal, so it's worth
1319
             * avoiding printing an odd message in that case.
1320
             */
1321
            fputc('\n', stderr);
1322
        } else {
1323
            fprintf(stderr, " from pid " FMT_pid "\n", shutdown_pid);
1324
        }
1325
        shutdown_signal = -1;
1326
    }
1327
}
1328

    
1329
int qemu_reset_requested(void)
1330
{
1331
    int r = reset_requested;
1332
    reset_requested = 0;
1333
    return r;
1334
}
1335

    
1336
static int qemu_suspend_requested(void)
1337
{
1338
    int r = suspend_requested;
1339
    suspend_requested = 0;
1340
    return r;
1341
}
1342

    
1343
int qemu_powerdown_requested(void)
1344
{
1345
    int r = powerdown_requested;
1346
    powerdown_requested = 0;
1347
    return r;
1348
}
1349

    
1350
static int qemu_debug_requested(void)
1351
{
1352
    int r = debug_requested;
1353
    debug_requested = 0;
1354
    return r;
1355
}
1356

    
1357
/* We use RUN_STATE_MAX but any invalid value will do */
1358
static bool qemu_vmstop_requested(RunState *r)
1359
{
1360
    if (vmstop_requested < RUN_STATE_MAX) {
1361
        *r = vmstop_requested;
1362
        vmstop_requested = RUN_STATE_MAX;
1363
        return true;
1364
    }
1365

    
1366
    return false;
1367
}
1368

    
1369
void qemu_register_reset(QEMUResetHandler *func, void *opaque)
1370
{
1371
    QEMUResetEntry *re = g_malloc0(sizeof(QEMUResetEntry));
1372

    
1373
    re->func = func;
1374
    re->opaque = opaque;
1375
    QTAILQ_INSERT_TAIL(&reset_handlers, re, entry);
1376
}
1377

    
1378
void qemu_unregister_reset(QEMUResetHandler *func, void *opaque)
1379
{
1380
    QEMUResetEntry *re;
1381

    
1382
    QTAILQ_FOREACH(re, &reset_handlers, entry) {
1383
        if (re->func == func && re->opaque == opaque) {
1384
            QTAILQ_REMOVE(&reset_handlers, re, entry);
1385
            g_free(re);
1386
            return;
1387
        }
1388
    }
1389
}
1390

    
1391
void qemu_system_reset(bool report)
1392
{
1393
    QEMUResetEntry *re, *nre;
1394

    
1395
    /* reset all devices */
1396
    QTAILQ_FOREACH_SAFE(re, &reset_handlers, entry, nre) {
1397
        re->func(re->opaque);
1398
    }
1399
    if (report) {
1400
        monitor_protocol_event(QEVENT_RESET, NULL);
1401
    }
1402
    cpu_synchronize_all_post_reset();
1403
}
1404

    
1405
void qemu_system_reset_request(void)
1406
{
1407
    if (no_reboot) {
1408
        shutdown_requested = 1;
1409
    } else {
1410
        reset_requested = 1;
1411
    }
1412
    cpu_stop_current();
1413
    qemu_notify_event();
1414
}
1415

    
1416
static void qemu_system_suspend(void)
1417
{
1418
    pause_all_vcpus();
1419
    notifier_list_notify(&suspend_notifiers, NULL);
1420
    monitor_protocol_event(QEVENT_SUSPEND, NULL);
1421
    is_suspended = true;
1422
}
1423

    
1424
void qemu_system_suspend_request(void)
1425
{
1426
    if (is_suspended) {
1427
        return;
1428
    }
1429
    suspend_requested = 1;
1430
    cpu_stop_current();
1431
    qemu_notify_event();
1432
}
1433

    
1434
void qemu_register_suspend_notifier(Notifier *notifier)
1435
{
1436
    notifier_list_add(&suspend_notifiers, notifier);
1437
}
1438

    
1439
void qemu_system_wakeup_request(WakeupReason reason)
1440
{
1441
    if (!is_suspended) {
1442
        return;
1443
    }
1444
    if (!(wakeup_reason_mask & (1 << reason))) {
1445
        return;
1446
    }
1447
    monitor_protocol_event(QEVENT_WAKEUP, NULL);
1448
    notifier_list_notify(&wakeup_notifiers, &reason);
1449
    reset_requested = 1;
1450
    qemu_notify_event();
1451
    is_suspended = false;
1452
}
1453

    
1454
void qemu_system_wakeup_enable(WakeupReason reason, bool enabled)
1455
{
1456
    if (enabled) {
1457
        wakeup_reason_mask |= (1 << reason);
1458
    } else {
1459
        wakeup_reason_mask &= ~(1 << reason);
1460
    }
1461
}
1462

    
1463
void qemu_register_wakeup_notifier(Notifier *notifier)
1464
{
1465
    notifier_list_add(&wakeup_notifiers, notifier);
1466
}
1467

    
1468
void qemu_system_killed(int signal, pid_t pid)
1469
{
1470
    shutdown_signal = signal;
1471
    shutdown_pid = pid;
1472
    no_shutdown = 0;
1473
    qemu_system_shutdown_request();
1474
}
1475

    
1476
void qemu_system_shutdown_request(void)
1477
{
1478
    shutdown_requested = 1;
1479
    qemu_notify_event();
1480
}
1481

    
1482
void qemu_system_powerdown_request(void)
1483
{
1484
    powerdown_requested = 1;
1485
    qemu_notify_event();
1486
}
1487

    
1488
void qemu_system_debug_request(void)
1489
{
1490
    debug_requested = 1;
1491
    qemu_notify_event();
1492
}
1493

    
1494
void qemu_system_vmstop_request(RunState state)
1495
{
1496
    vmstop_requested = state;
1497
    qemu_notify_event();
1498
}
1499

    
1500
qemu_irq qemu_system_powerdown;
1501

    
1502
static bool main_loop_should_exit(void)
1503
{
1504
    RunState r;
1505
    if (qemu_debug_requested()) {
1506
        vm_stop(RUN_STATE_DEBUG);
1507
    }
1508
    if (qemu_suspend_requested()) {
1509
        qemu_system_suspend();
1510
    }
1511
    if (qemu_shutdown_requested()) {
1512
        qemu_kill_report();
1513
        monitor_protocol_event(QEVENT_SHUTDOWN, NULL);
1514
        if (no_shutdown) {
1515
            vm_stop(RUN_STATE_SHUTDOWN);
1516
        } else {
1517
            return true;
1518
        }
1519
    }
1520
    if (qemu_reset_requested()) {
1521
        pause_all_vcpus();
1522
        cpu_synchronize_all_states();
1523
        qemu_system_reset(VMRESET_REPORT);
1524
        resume_all_vcpus();
1525
        if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
1526
            runstate_check(RUN_STATE_SHUTDOWN)) {
1527
            runstate_set(RUN_STATE_PAUSED);
1528
        }
1529
    }
1530
    if (qemu_powerdown_requested()) {
1531
        monitor_protocol_event(QEVENT_POWERDOWN, NULL);
1532
        qemu_irq_raise(qemu_system_powerdown);
1533
    }
1534
    if (qemu_vmstop_requested(&r)) {
1535
        vm_stop(r);
1536
    }
1537
    return false;
1538
}
1539

    
1540
static void main_loop(void)
1541
{
1542
    bool nonblocking;
1543
    int last_io = 0;
1544
#ifdef CONFIG_PROFILER
1545
    int64_t ti;
1546
#endif
1547
    do {
1548
        nonblocking = !kvm_enabled() && last_io > 0;
1549
#ifdef CONFIG_PROFILER
1550
        ti = profile_getclock();
1551
#endif
1552
        last_io = main_loop_wait(nonblocking);
1553
#ifdef CONFIG_PROFILER
1554
        dev_time += profile_getclock() - ti;
1555
#endif
1556
    } while (!main_loop_should_exit());
1557
}
1558

    
1559
static void version(void)
1560
{
1561
    printf("QEMU emulator version " QEMU_VERSION QEMU_PKGVERSION ", Copyright (c) 2003-2008 Fabrice Bellard\n");
1562
}
1563

    
1564
static void help(int exitcode)
1565
{
1566
    version();
1567
    printf("usage: %s [options] [disk_image]\n\n"
1568
           "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
1569
            error_get_progname());
1570

    
1571
#define QEMU_OPTIONS_GENERATE_HELP
1572
#include "qemu-options-wrapper.h"
1573

    
1574
    printf("\nDuring emulation, the following keys are useful:\n"
1575
           "ctrl-alt-f      toggle full screen\n"
1576
           "ctrl-alt-n      switch to virtual console 'n'\n"
1577
           "ctrl-alt        toggle mouse and keyboard grab\n"
1578
           "\n"
1579
           "When using -nographic, press 'ctrl-a h' to get some help.\n");
1580

    
1581
    exit(exitcode);
1582
}
1583

    
1584
#define HAS_ARG 0x0001
1585

    
1586
typedef struct QEMUOption {
1587
    const char *name;
1588
    int flags;
1589
    int index;
1590
    uint32_t arch_mask;
1591
} QEMUOption;
1592

    
1593
static const QEMUOption qemu_options[] = {
1594
    { "h", 0, QEMU_OPTION_h, QEMU_ARCH_ALL },
1595
#define QEMU_OPTIONS_GENERATE_OPTIONS
1596
#include "qemu-options-wrapper.h"
1597
    { NULL },
1598
};
1599

    
1600
static bool vga_available(void)
1601
{
1602
    return qdev_exists("VGA") || qdev_exists("isa-vga");
1603
}
1604

    
1605
static bool cirrus_vga_available(void)
1606
{
1607
    return qdev_exists("cirrus-vga") || qdev_exists("isa-cirrus-vga");
1608
}
1609

    
1610
static bool vmware_vga_available(void)
1611
{
1612
    return qdev_exists("vmware-svga");
1613
}
1614

    
1615
static void select_vgahw (const char *p)
1616
{
1617
    const char *opts;
1618

    
1619
    vga_interface_type = VGA_NONE;
1620
    if (strstart(p, "std", &opts)) {
1621
        if (vga_available()) {
1622
            vga_interface_type = VGA_STD;
1623
        } else {
1624
            fprintf(stderr, "Error: standard VGA not available\n");
1625
            exit(0);
1626
        }
1627
    } else if (strstart(p, "cirrus", &opts)) {
1628
        if (cirrus_vga_available()) {
1629
            vga_interface_type = VGA_CIRRUS;
1630
        } else {
1631
            fprintf(stderr, "Error: Cirrus VGA not available\n");
1632
            exit(0);
1633
        }
1634
    } else if (strstart(p, "vmware", &opts)) {
1635
        if (vmware_vga_available()) {
1636
            vga_interface_type = VGA_VMWARE;
1637
        } else {
1638
            fprintf(stderr, "Error: VMWare SVGA not available\n");
1639
            exit(0);
1640
        }
1641
    } else if (strstart(p, "xenfb", &opts)) {
1642
        vga_interface_type = VGA_XENFB;
1643
    } else if (strstart(p, "qxl", &opts)) {
1644
        vga_interface_type = VGA_QXL;
1645
    } else if (!strstart(p, "none", &opts)) {
1646
    invalid_vga:
1647
        fprintf(stderr, "Unknown vga type: %s\n", p);
1648
        exit(1);
1649
    }
1650
    while (*opts) {
1651
        const char *nextopt;
1652

    
1653
        if (strstart(opts, ",retrace=", &nextopt)) {
1654
            opts = nextopt;
1655
            if (strstart(opts, "dumb", &nextopt))
1656
                vga_retrace_method = VGA_RETRACE_DUMB;
1657
            else if (strstart(opts, "precise", &nextopt))
1658
                vga_retrace_method = VGA_RETRACE_PRECISE;
1659
            else goto invalid_vga;
1660
        } else goto invalid_vga;
1661
        opts = nextopt;
1662
    }
1663
}
1664

    
1665
static DisplayType select_display(const char *p)
1666
{
1667
    const char *opts;
1668
    DisplayType display = DT_DEFAULT;
1669

    
1670
    if (strstart(p, "sdl", &opts)) {
1671
#ifdef CONFIG_SDL
1672
        display = DT_SDL;
1673
        while (*opts) {
1674
            const char *nextopt;
1675

    
1676
            if (strstart(opts, ",frame=", &nextopt)) {
1677
                opts = nextopt;
1678
                if (strstart(opts, "on", &nextopt)) {
1679
                    no_frame = 0;
1680
                } else if (strstart(opts, "off", &nextopt)) {
1681
                    no_frame = 1;
1682
                } else {
1683
                    goto invalid_sdl_args;
1684
                }
1685
            } else if (strstart(opts, ",alt_grab=", &nextopt)) {
1686
                opts = nextopt;
1687
                if (strstart(opts, "on", &nextopt)) {
1688
                    alt_grab = 1;
1689
                } else if (strstart(opts, "off", &nextopt)) {
1690
                    alt_grab = 0;
1691
                } else {
1692
                    goto invalid_sdl_args;
1693
                }
1694
            } else if (strstart(opts, ",ctrl_grab=", &nextopt)) {
1695
                opts = nextopt;
1696
                if (strstart(opts, "on", &nextopt)) {
1697
                    ctrl_grab = 1;
1698
                } else if (strstart(opts, "off", &nextopt)) {
1699
                    ctrl_grab = 0;
1700
                } else {
1701
                    goto invalid_sdl_args;
1702
                }
1703
            } else if (strstart(opts, ",window_close=", &nextopt)) {
1704
                opts = nextopt;
1705
                if (strstart(opts, "on", &nextopt)) {
1706
                    no_quit = 0;
1707
                } else if (strstart(opts, "off", &nextopt)) {
1708
                    no_quit = 1;
1709
                } else {
1710
                    goto invalid_sdl_args;
1711
                }
1712
            } else {
1713
            invalid_sdl_args:
1714
                fprintf(stderr, "Invalid SDL option string: %s\n", p);
1715
                exit(1);
1716
            }
1717
            opts = nextopt;
1718
        }
1719
#else
1720
        fprintf(stderr, "SDL support is disabled\n");
1721
        exit(1);
1722
#endif
1723
    } else if (strstart(p, "vnc", &opts)) {
1724
#ifdef CONFIG_VNC
1725
        display_remote++;
1726

    
1727
        if (*opts) {
1728
            const char *nextopt;
1729

    
1730
            if (strstart(opts, "=", &nextopt)) {
1731
                vnc_display = nextopt;
1732
            }
1733
        }
1734
        if (!vnc_display) {
1735
            fprintf(stderr, "VNC requires a display argument vnc=<display>\n");
1736
            exit(1);
1737
        }
1738
#else
1739
        fprintf(stderr, "VNC support is disabled\n");
1740
        exit(1);
1741
#endif
1742
    } else if (strstart(p, "curses", &opts)) {
1743
#ifdef CONFIG_CURSES
1744
        display = DT_CURSES;
1745
#else
1746
        fprintf(stderr, "Curses support is disabled\n");
1747
        exit(1);
1748
#endif
1749
    } else if (strstart(p, "none", &opts)) {
1750
        display = DT_NONE;
1751
    } else {
1752
        fprintf(stderr, "Unknown display type: %s\n", p);
1753
        exit(1);
1754
    }
1755

    
1756
    return display;
1757
}
1758

    
1759
static int balloon_parse(const char *arg)
1760
{
1761
    QemuOpts *opts;
1762

    
1763
    if (strcmp(arg, "none") == 0) {
1764
        return 0;
1765
    }
1766

    
1767
    if (!strncmp(arg, "virtio", 6)) {
1768
        if (arg[6] == ',') {
1769
            /* have params -> parse them */
1770
            opts = qemu_opts_parse(qemu_find_opts("device"), arg+7, 0);
1771
            if (!opts)
1772
                return  -1;
1773
        } else {
1774
            /* create empty opts */
1775
            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
1776
        }
1777
        qemu_opt_set(opts, "driver", "virtio-balloon");
1778
        return 0;
1779
    }
1780

    
1781
    return -1;
1782
}
1783

    
1784
char *qemu_find_file(int type, const char *name)
1785
{
1786
    int len;
1787
    const char *subdir;
1788
    char *buf;
1789

    
1790
    /* If name contains path separators then try it as a straight path.  */
1791
    if ((strchr(name, '/') || strchr(name, '\\'))
1792
        && access(name, R_OK) == 0) {
1793
        return g_strdup(name);
1794
    }
1795
    switch (type) {
1796
    case QEMU_FILE_TYPE_BIOS:
1797
        subdir = "";
1798
        break;
1799
    case QEMU_FILE_TYPE_KEYMAP:
1800
        subdir = "keymaps/";
1801
        break;
1802
    default:
1803
        abort();
1804
    }
1805
    len = strlen(data_dir) + strlen(name) + strlen(subdir) + 2;
1806
    buf = g_malloc0(len);
1807
    snprintf(buf, len, "%s/%s%s", data_dir, subdir, name);
1808
    if (access(buf, R_OK)) {
1809
        g_free(buf);
1810
        return NULL;
1811
    }
1812
    return buf;
1813
}
1814

    
1815
static int device_help_func(QemuOpts *opts, void *opaque)
1816
{
1817
    return qdev_device_help(opts);
1818
}
1819

    
1820
static int device_init_func(QemuOpts *opts, void *opaque)
1821
{
1822
    DeviceState *dev;
1823

    
1824
    dev = qdev_device_add(opts);
1825
    if (!dev)
1826
        return -1;
1827
    return 0;
1828
}
1829

    
1830
static int chardev_init_func(QemuOpts *opts, void *opaque)
1831
{
1832
    CharDriverState *chr;
1833

    
1834
    chr = qemu_chr_new_from_opts(opts, NULL);
1835
    if (!chr)
1836
        return -1;
1837
    return 0;
1838
}
1839

    
1840
#ifdef CONFIG_VIRTFS
1841
static int fsdev_init_func(QemuOpts *opts, void *opaque)
1842
{
1843
    int ret;
1844
    ret = qemu_fsdev_add(opts);
1845

    
1846
    return ret;
1847
}
1848
#endif
1849

    
1850
static int mon_init_func(QemuOpts *opts, void *opaque)
1851
{
1852
    CharDriverState *chr;
1853
    const char *chardev;
1854
    const char *mode;
1855
    int flags;
1856

    
1857
    mode = qemu_opt_get(opts, "mode");
1858
    if (mode == NULL) {
1859
        mode = "readline";
1860
    }
1861
    if (strcmp(mode, "readline") == 0) {
1862
        flags = MONITOR_USE_READLINE;
1863
    } else if (strcmp(mode, "control") == 0) {
1864
        flags = MONITOR_USE_CONTROL;
1865
    } else {
1866
        fprintf(stderr, "unknown monitor mode \"%s\"\n", mode);
1867
        exit(1);
1868
    }
1869

    
1870
    if (qemu_opt_get_bool(opts, "pretty", 0))
1871
        flags |= MONITOR_USE_PRETTY;
1872

    
1873
    if (qemu_opt_get_bool(opts, "default", 0))
1874
        flags |= MONITOR_IS_DEFAULT;
1875

    
1876
    chardev = qemu_opt_get(opts, "chardev");
1877
    chr = qemu_chr_find(chardev);
1878
    if (chr == NULL) {
1879
        fprintf(stderr, "chardev \"%s\" not found\n", chardev);
1880
        exit(1);
1881
    }
1882

    
1883
    monitor_init(chr, flags);
1884
    return 0;
1885
}
1886

    
1887
static void monitor_parse(const char *optarg, const char *mode)
1888
{
1889
    static int monitor_device_index = 0;
1890
    QemuOpts *opts;
1891
    const char *p;
1892
    char label[32];
1893
    int def = 0;
1894

    
1895
    if (strstart(optarg, "chardev:", &p)) {
1896
        snprintf(label, sizeof(label), "%s", p);
1897
    } else {
1898
        snprintf(label, sizeof(label), "compat_monitor%d",
1899
                 monitor_device_index);
1900
        if (monitor_device_index == 0) {
1901
            def = 1;
1902
        }
1903
        opts = qemu_chr_parse_compat(label, optarg);
1904
        if (!opts) {
1905
            fprintf(stderr, "parse error: %s\n", optarg);
1906
            exit(1);
1907
        }
1908
    }
1909

    
1910
    opts = qemu_opts_create(qemu_find_opts("mon"), label, 1);
1911
    if (!opts) {
1912
        fprintf(stderr, "duplicate chardev: %s\n", label);
1913
        exit(1);
1914
    }
1915
    qemu_opt_set(opts, "mode", mode);
1916
    qemu_opt_set(opts, "chardev", label);
1917
    if (def)
1918
        qemu_opt_set(opts, "default", "on");
1919
    monitor_device_index++;
1920
}
1921

    
1922
struct device_config {
1923
    enum {
1924
        DEV_USB,       /* -usbdevice     */
1925
        DEV_BT,        /* -bt            */
1926
        DEV_SERIAL,    /* -serial        */
1927
        DEV_PARALLEL,  /* -parallel      */
1928
        DEV_VIRTCON,   /* -virtioconsole */
1929
        DEV_DEBUGCON,  /* -debugcon */
1930
        DEV_GDB,       /* -gdb, -s */
1931
    } type;
1932
    const char *cmdline;
1933
    Location loc;
1934
    QTAILQ_ENTRY(device_config) next;
1935
};
1936
QTAILQ_HEAD(, device_config) device_configs = QTAILQ_HEAD_INITIALIZER(device_configs);
1937

    
1938
static void add_device_config(int type, const char *cmdline)
1939
{
1940
    struct device_config *conf;
1941

    
1942
    conf = g_malloc0(sizeof(*conf));
1943
    conf->type = type;
1944
    conf->cmdline = cmdline;
1945
    loc_save(&conf->loc);
1946
    QTAILQ_INSERT_TAIL(&device_configs, conf, next);
1947
}
1948

    
1949
static int foreach_device_config(int type, int (*func)(const char *cmdline))
1950
{
1951
    struct device_config *conf;
1952
    int rc;
1953

    
1954
    QTAILQ_FOREACH(conf, &device_configs, next) {
1955
        if (conf->type != type)
1956
            continue;
1957
        loc_push_restore(&conf->loc);
1958
        rc = func(conf->cmdline);
1959
        loc_pop(&conf->loc);
1960
        if (0 != rc)
1961
            return rc;
1962
    }
1963
    return 0;
1964
}
1965

    
1966
static int serial_parse(const char *devname)
1967
{
1968
    static int index = 0;
1969
    char label[32];
1970

    
1971
    if (strcmp(devname, "none") == 0)
1972
        return 0;
1973
    if (index == MAX_SERIAL_PORTS) {
1974
        fprintf(stderr, "qemu: too many serial ports\n");
1975
        exit(1);
1976
    }
1977
    snprintf(label, sizeof(label), "serial%d", index);
1978
    serial_hds[index] = qemu_chr_new(label, devname, NULL);
1979
    if (!serial_hds[index]) {
1980
        fprintf(stderr, "qemu: could not open serial device '%s': %s\n",
1981
                devname, strerror(errno));
1982
        return -1;
1983
    }
1984
    index++;
1985
    return 0;
1986
}
1987

    
1988
static int parallel_parse(const char *devname)
1989
{
1990
    static int index = 0;
1991
    char label[32];
1992

    
1993
    if (strcmp(devname, "none") == 0)
1994
        return 0;
1995
    if (index == MAX_PARALLEL_PORTS) {
1996
        fprintf(stderr, "qemu: too many parallel ports\n");
1997
        exit(1);
1998
    }
1999
    snprintf(label, sizeof(label), "parallel%d", index);
2000
    parallel_hds[index] = qemu_chr_new(label, devname, NULL);
2001
    if (!parallel_hds[index]) {
2002
        fprintf(stderr, "qemu: could not open parallel device '%s': %s\n",
2003
                devname, strerror(errno));
2004
        return -1;
2005
    }
2006
    index++;
2007
    return 0;
2008
}
2009

    
2010
static int virtcon_parse(const char *devname)
2011
{
2012
    QemuOptsList *device = qemu_find_opts("device");
2013
    static int index = 0;
2014
    char label[32];
2015
    QemuOpts *bus_opts, *dev_opts;
2016

    
2017
    if (strcmp(devname, "none") == 0)
2018
        return 0;
2019
    if (index == MAX_VIRTIO_CONSOLES) {
2020
        fprintf(stderr, "qemu: too many virtio consoles\n");
2021
        exit(1);
2022
    }
2023

    
2024
    bus_opts = qemu_opts_create(device, NULL, 0);
2025
    if (arch_type == QEMU_ARCH_S390X) {
2026
        qemu_opt_set(bus_opts, "driver", "virtio-serial-s390");
2027
    } else {
2028
        qemu_opt_set(bus_opts, "driver", "virtio-serial-pci");
2029
    } 
2030

    
2031
    dev_opts = qemu_opts_create(device, NULL, 0);
2032
    qemu_opt_set(dev_opts, "driver", "virtconsole");
2033

    
2034
    snprintf(label, sizeof(label), "virtcon%d", index);
2035
    virtcon_hds[index] = qemu_chr_new(label, devname, NULL);
2036
    if (!virtcon_hds[index]) {
2037
        fprintf(stderr, "qemu: could not open virtio console '%s': %s\n",
2038
                devname, strerror(errno));
2039
        return -1;
2040
    }
2041
    qemu_opt_set(dev_opts, "chardev", label);
2042

    
2043
    index++;
2044
    return 0;
2045
}
2046

    
2047
static int debugcon_parse(const char *devname)
2048
{   
2049
    QemuOpts *opts;
2050

    
2051
    if (!qemu_chr_new("debugcon", devname, NULL)) {
2052
        exit(1);
2053
    }
2054
    opts = qemu_opts_create(qemu_find_opts("device"), "debugcon", 1);
2055
    if (!opts) {
2056
        fprintf(stderr, "qemu: already have a debugcon device\n");
2057
        exit(1);
2058
    }
2059
    qemu_opt_set(opts, "driver", "isa-debugcon");
2060
    qemu_opt_set(opts, "chardev", "debugcon");
2061
    return 0;
2062
}
2063

    
2064
static QEMUMachine *machine_parse(const char *name)
2065
{
2066
    QEMUMachine *m, *machine = NULL;
2067

    
2068
    if (name) {
2069
        machine = find_machine(name);
2070
    }
2071
    if (machine) {
2072
        return machine;
2073
    }
2074
    printf("Supported machines are:\n");
2075
    for (m = first_machine; m != NULL; m = m->next) {
2076
        if (m->alias) {
2077
            printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
2078
        }
2079
        printf("%-20s %s%s\n", m->name, m->desc,
2080
               m->is_default ? " (default)" : "");
2081
    }
2082
    exit(!name || *name != '?');
2083
}
2084

    
2085
static int tcg_init(void)
2086
{
2087
    tcg_exec_init(tcg_tb_size * 1024 * 1024);
2088
    return 0;
2089
}
2090

    
2091
static struct {
2092
    const char *opt_name;
2093
    const char *name;
2094
    int (*available)(void);
2095
    int (*init)(void);
2096
    int *allowed;
2097
} accel_list[] = {
2098
    { "tcg", "tcg", tcg_available, tcg_init, &tcg_allowed },
2099
    { "xen", "Xen", xen_available, xen_init, &xen_allowed },
2100
    { "kvm", "KVM", kvm_available, kvm_init, &kvm_allowed },
2101
};
2102

    
2103
static int configure_accelerator(void)
2104
{
2105
    const char *p = NULL;
2106
    char buf[10];
2107
    int i, ret;
2108
    bool accel_initialised = 0;
2109
    bool init_failed = 0;
2110

    
2111
    QemuOptsList *list = qemu_find_opts("machine");
2112
    if (!QTAILQ_EMPTY(&list->head)) {
2113
        p = qemu_opt_get(QTAILQ_FIRST(&list->head), "accel");
2114
    }
2115

    
2116
    if (p == NULL) {
2117
        /* Use the default "accelerator", tcg */
2118
        p = "tcg";
2119
    }
2120

    
2121
    while (!accel_initialised && *p != '\0') {
2122
        if (*p == ':') {
2123
            p++;
2124
        }
2125
        p = get_opt_name(buf, sizeof (buf), p, ':');
2126
        for (i = 0; i < ARRAY_SIZE(accel_list); i++) {
2127
            if (strcmp(accel_list[i].opt_name, buf) == 0) {
2128
                *(accel_list[i].allowed) = 1;
2129
                ret = accel_list[i].init();
2130
                if (ret < 0) {
2131
                    init_failed = 1;
2132
                    if (!accel_list[i].available()) {
2133
                        printf("%s not supported for this target\n",
2134
                               accel_list[i].name);
2135
                    } else {
2136
                        fprintf(stderr, "failed to initialize %s: %s\n",
2137
                                accel_list[i].name,
2138
                                strerror(-ret));
2139
                    }
2140
                    *(accel_list[i].allowed) = 0;
2141
                } else {
2142
                    accel_initialised = 1;
2143
                }
2144
                break;
2145
            }
2146
        }
2147
        if (i == ARRAY_SIZE(accel_list)) {
2148
            fprintf(stderr, "\"%s\" accelerator does not exist.\n", buf);
2149
        }
2150
    }
2151

    
2152
    if (!accel_initialised) {
2153
        fprintf(stderr, "No accelerator found!\n");
2154
        exit(1);
2155
    }
2156

    
2157
    if (init_failed) {
2158
        fprintf(stderr, "Back to %s accelerator.\n", accel_list[i].name);
2159
    }
2160

    
2161
    return !accel_initialised;
2162
}
2163

    
2164
void qemu_add_exit_notifier(Notifier *notify)
2165
{
2166
    notifier_list_add(&exit_notifiers, notify);
2167
}
2168

    
2169
void qemu_remove_exit_notifier(Notifier *notify)
2170
{
2171
    notifier_remove(notify);
2172
}
2173

    
2174
static void qemu_run_exit_notifiers(void)
2175
{
2176
    notifier_list_notify(&exit_notifiers, NULL);
2177
}
2178

    
2179
void qemu_add_machine_init_done_notifier(Notifier *notify)
2180
{
2181
    notifier_list_add(&machine_init_done_notifiers, notify);
2182
}
2183

    
2184
static void qemu_run_machine_init_done_notifiers(void)
2185
{
2186
    notifier_list_notify(&machine_init_done_notifiers, NULL);
2187
}
2188

    
2189
static const QEMUOption *lookup_opt(int argc, char **argv,
2190
                                    const char **poptarg, int *poptind)
2191
{
2192
    const QEMUOption *popt;
2193
    int optind = *poptind;
2194
    char *r = argv[optind];
2195
    const char *optarg;
2196

    
2197
    loc_set_cmdline(argv, optind, 1);
2198
    optind++;
2199
    /* Treat --foo the same as -foo.  */
2200
    if (r[1] == '-')
2201
        r++;
2202
    popt = qemu_options;
2203
    for(;;) {
2204
        if (!popt->name) {
2205
            error_report("invalid option");
2206
            exit(1);
2207
        }
2208
        if (!strcmp(popt->name, r + 1))
2209
            break;
2210
        popt++;
2211
    }
2212
    if (popt->flags & HAS_ARG) {
2213
        if (optind >= argc) {
2214
            error_report("requires an argument");
2215
            exit(1);
2216
        }
2217
        optarg = argv[optind++];
2218
        loc_set_cmdline(argv, optind - 2, 2);
2219
    } else {
2220
        optarg = NULL;
2221
    }
2222

    
2223
    *poptarg = optarg;
2224
    *poptind = optind;
2225

    
2226
    return popt;
2227
}
2228

    
2229
static gpointer malloc_and_trace(gsize n_bytes)
2230
{
2231
    void *ptr = malloc(n_bytes);
2232
    trace_g_malloc(n_bytes, ptr);
2233
    return ptr;
2234
}
2235

    
2236
static gpointer realloc_and_trace(gpointer mem, gsize n_bytes)
2237
{
2238
    void *ptr = realloc(mem, n_bytes);
2239
    trace_g_realloc(mem, n_bytes, ptr);
2240
    return ptr;
2241
}
2242

    
2243
static void free_and_trace(gpointer mem)
2244
{
2245
    trace_g_free(mem);
2246
    free(mem);
2247
}
2248

    
2249
int qemu_init_main_loop(void)
2250
{
2251
    return main_loop_init();
2252
}
2253

    
2254
int main(int argc, char **argv, char **envp)
2255
{
2256
    int i;
2257
    int snapshot, linux_boot;
2258
    const char *icount_option = NULL;
2259
    const char *initrd_filename;
2260
    const char *kernel_filename, *kernel_cmdline;
2261
    char boot_devices[33] = "cad"; /* default to HD->floppy->CD-ROM */
2262
    DisplayState *ds;
2263
    DisplayChangeListener *dcl;
2264
    int cyls, heads, secs, translation;
2265
    QemuOpts *hda_opts = NULL, *opts, *machine_opts;
2266
    QemuOptsList *olist;
2267
    int optind;
2268
    const char *optarg;
2269
    const char *loadvm = NULL;
2270
    QEMUMachine *machine;
2271
    const char *cpu_model;
2272
    const char *vga_model = NULL;
2273
    const char *pid_file = NULL;
2274
    const char *incoming = NULL;
2275
#ifdef CONFIG_VNC
2276
    int show_vnc_port = 0;
2277
#endif
2278
    int defconfig = 1;
2279
    const char *log_mask = NULL;
2280
    const char *log_file = NULL;
2281
    GMemVTable mem_trace = {
2282
        .malloc = malloc_and_trace,
2283
        .realloc = realloc_and_trace,
2284
        .free = free_and_trace,
2285
    };
2286
    const char *trace_events = NULL;
2287
    const char *trace_file = NULL;
2288

    
2289
    atexit(qemu_run_exit_notifiers);
2290
    error_set_progname(argv[0]);
2291

    
2292
    g_mem_set_vtable(&mem_trace);
2293
    if (!g_thread_supported()) {
2294
#if !GLIB_CHECK_VERSION(2, 31, 0)
2295
        g_thread_init(NULL);
2296
#else
2297
        fprintf(stderr, "glib threading failed to initialize.\n");
2298
        exit(1);
2299
#endif
2300
    }
2301

    
2302
    module_call_init(MODULE_INIT_QOM);
2303

    
2304
    runstate_init();
2305

    
2306
    init_clocks();
2307
    rtc_clock = host_clock;
2308

    
2309
    qemu_cache_utils_init(envp);
2310

    
2311
    QLIST_INIT (&vm_change_state_head);
2312
    os_setup_early_signal_handling();
2313

    
2314
    module_call_init(MODULE_INIT_MACHINE);
2315
    machine = find_default_machine();
2316
    cpu_model = NULL;
2317
    ram_size = 0;
2318
    snapshot = 0;
2319
    cyls = heads = secs = 0;
2320
    translation = BIOS_ATA_TRANSLATION_AUTO;
2321

    
2322
    for (i = 0; i < MAX_NODES; i++) {
2323
        node_mem[i] = 0;
2324
        node_cpumask[i] = 0;
2325
    }
2326

    
2327
    nb_numa_nodes = 0;
2328
    nb_nics = 0;
2329

    
2330
    autostart= 1;
2331

    
2332
    /* first pass of option parsing */
2333
    optind = 1;
2334
    while (optind < argc) {
2335
        if (argv[optind][0] != '-') {
2336
            /* disk image */
2337
            optind++;
2338
            continue;
2339
        } else {
2340
            const QEMUOption *popt;
2341

    
2342
            popt = lookup_opt(argc, argv, &optarg, &optind);
2343
            switch (popt->index) {
2344
            case QEMU_OPTION_nodefconfig:
2345
                defconfig=0;
2346
                break;
2347
            }
2348
        }
2349
    }
2350

    
2351
    if (defconfig) {
2352
        int ret;
2353

    
2354
        ret = qemu_read_config_file(CONFIG_QEMU_CONFDIR "/qemu.conf");
2355
        if (ret < 0 && ret != -ENOENT) {
2356
            exit(1);
2357
        }
2358

    
2359
        ret = qemu_read_config_file(arch_config_name);
2360
        if (ret < 0 && ret != -ENOENT) {
2361
            exit(1);
2362
        }
2363
    }
2364

    
2365
    /* second pass of option parsing */
2366
    optind = 1;
2367
    for(;;) {
2368
        if (optind >= argc)
2369
            break;
2370
        if (argv[optind][0] != '-') {
2371
            hda_opts = drive_add(IF_DEFAULT, 0, argv[optind++], HD_OPTS);
2372
        } else {
2373
            const QEMUOption *popt;
2374

    
2375
            popt = lookup_opt(argc, argv, &optarg, &optind);
2376
            if (!(popt->arch_mask & arch_type)) {
2377
                printf("Option %s not supported for this target\n", popt->name);
2378
                exit(1);
2379
            }
2380
            switch(popt->index) {
2381
            case QEMU_OPTION_M:
2382
                machine = machine_parse(optarg);
2383
                break;
2384
            case QEMU_OPTION_cpu:
2385
                /* hw initialization will check this */
2386
                cpu_model = optarg;
2387
                break;
2388
            case QEMU_OPTION_hda:
2389
                {
2390
                    char buf[256];
2391
                    if (cyls == 0)
2392
                        snprintf(buf, sizeof(buf), "%s", HD_OPTS);
2393
                    else
2394
                        snprintf(buf, sizeof(buf),
2395
                                 "%s,cyls=%d,heads=%d,secs=%d%s",
2396
                                 HD_OPTS , cyls, heads, secs,
2397
                                 translation == BIOS_ATA_TRANSLATION_LBA ?
2398
                                 ",trans=lba" :
2399
                                 translation == BIOS_ATA_TRANSLATION_NONE ?
2400
                                 ",trans=none" : "");
2401
                    drive_add(IF_DEFAULT, 0, optarg, buf);
2402
                    break;
2403
                }
2404
            case QEMU_OPTION_hdb:
2405
            case QEMU_OPTION_hdc:
2406
            case QEMU_OPTION_hdd:
2407
                drive_add(IF_DEFAULT, popt->index - QEMU_OPTION_hda, optarg,
2408
                          HD_OPTS);
2409
                break;
2410
            case QEMU_OPTION_drive:
2411
                if (drive_def(optarg) == NULL) {
2412
                    exit(1);
2413
                }
2414
                break;
2415
            case QEMU_OPTION_set:
2416
                if (qemu_set_option(optarg) != 0)
2417
                    exit(1);
2418
                break;
2419
            case QEMU_OPTION_global:
2420
                if (qemu_global_option(optarg) != 0)
2421
                    exit(1);
2422
                break;
2423
            case QEMU_OPTION_mtdblock:
2424
                drive_add(IF_MTD, -1, optarg, MTD_OPTS);
2425
                break;
2426
            case QEMU_OPTION_sd:
2427
                drive_add(IF_SD, 0, optarg, SD_OPTS);
2428
                break;
2429
            case QEMU_OPTION_pflash:
2430
                drive_add(IF_PFLASH, -1, optarg, PFLASH_OPTS);
2431
                break;
2432
            case QEMU_OPTION_snapshot:
2433
                snapshot = 1;
2434
                break;
2435
            case QEMU_OPTION_hdachs:
2436
                {
2437
                    const char *p;
2438
                    p = optarg;
2439
                    cyls = strtol(p, (char **)&p, 0);
2440
                    if (cyls < 1 || cyls > 16383)
2441
                        goto chs_fail;
2442
                    if (*p != ',')
2443
                        goto chs_fail;
2444
                    p++;
2445
                    heads = strtol(p, (char **)&p, 0);
2446
                    if (heads < 1 || heads > 16)
2447
                        goto chs_fail;
2448
                    if (*p != ',')
2449
                        goto chs_fail;
2450
                    p++;
2451
                    secs = strtol(p, (char **)&p, 0);
2452
                    if (secs < 1 || secs > 63)
2453
                        goto chs_fail;
2454
                    if (*p == ',') {
2455
                        p++;
2456
                        if (!strcmp(p, "none"))
2457
                            translation = BIOS_ATA_TRANSLATION_NONE;
2458
                        else if (!strcmp(p, "lba"))
2459
                            translation = BIOS_ATA_TRANSLATION_LBA;
2460
                        else if (!strcmp(p, "auto"))
2461
                            translation = BIOS_ATA_TRANSLATION_AUTO;
2462
                        else
2463
                            goto chs_fail;
2464
                    } else if (*p != '\0') {
2465
                    chs_fail:
2466
                        fprintf(stderr, "qemu: invalid physical CHS format\n");
2467
                        exit(1);
2468
                    }
2469
                    if (hda_opts != NULL) {
2470
                        char num[16];
2471
                        snprintf(num, sizeof(num), "%d", cyls);
2472
                        qemu_opt_set(hda_opts, "cyls", num);
2473
                        snprintf(num, sizeof(num), "%d", heads);
2474
                        qemu_opt_set(hda_opts, "heads", num);
2475
                        snprintf(num, sizeof(num), "%d", secs);
2476
                        qemu_opt_set(hda_opts, "secs", num);
2477
                        if (translation == BIOS_ATA_TRANSLATION_LBA)
2478
                            qemu_opt_set(hda_opts, "trans", "lba");
2479
                        if (translation == BIOS_ATA_TRANSLATION_NONE)
2480
                            qemu_opt_set(hda_opts, "trans", "none");
2481
                    }
2482
                }
2483
                break;
2484
            case QEMU_OPTION_numa:
2485
                if (nb_numa_nodes >= MAX_NODES) {
2486
                    fprintf(stderr, "qemu: too many NUMA nodes\n");
2487
                    exit(1);
2488
                }
2489
                numa_add(optarg);
2490
                break;
2491
            case QEMU_OPTION_display:
2492
                display_type = select_display(optarg);
2493
                break;
2494
            case QEMU_OPTION_nographic:
2495
                display_type = DT_NOGRAPHIC;
2496
                break;
2497
            case QEMU_OPTION_curses:
2498
#ifdef CONFIG_CURSES
2499
                display_type = DT_CURSES;
2500
#else
2501
                fprintf(stderr, "Curses support is disabled\n");
2502
                exit(1);
2503
#endif
2504
                break;
2505
            case QEMU_OPTION_portrait:
2506
                graphic_rotate = 90;
2507
                break;
2508
            case QEMU_OPTION_rotate:
2509
                graphic_rotate = strtol(optarg, (char **) &optarg, 10);
2510
                if (graphic_rotate != 0 && graphic_rotate != 90 &&
2511
                    graphic_rotate != 180 && graphic_rotate != 270) {
2512
                    fprintf(stderr,
2513
                        "qemu: only 90, 180, 270 deg rotation is available\n");
2514
                    exit(1);
2515
                }
2516
                break;
2517
            case QEMU_OPTION_kernel:
2518
                qemu_opts_set(qemu_find_opts("machine"), 0, "kernel", optarg);
2519
                break;
2520
            case QEMU_OPTION_initrd:
2521
                qemu_opts_set(qemu_find_opts("machine"), 0, "initrd", optarg);
2522
                break;
2523
            case QEMU_OPTION_append:
2524
                qemu_opts_set(qemu_find_opts("machine"), 0, "append", optarg);
2525
                break;
2526
            case QEMU_OPTION_dtb:
2527
                qemu_opts_set(qemu_find_opts("machine"), 0, "dtb", optarg);
2528
                break;
2529
            case QEMU_OPTION_cdrom:
2530
                drive_add(IF_DEFAULT, 2, optarg, CDROM_OPTS);
2531
                break;
2532
            case QEMU_OPTION_boot:
2533
                {
2534
                    static const char * const params[] = {
2535
                        "order", "once", "menu",
2536
                        "splash", "splash-time", NULL
2537
                    };
2538
                    char buf[sizeof(boot_devices)];
2539
                    char *standard_boot_devices;
2540
                    int legacy = 0;
2541

    
2542
                    if (!strchr(optarg, '=')) {
2543
                        legacy = 1;
2544
                        pstrcpy(buf, sizeof(buf), optarg);
2545
                    } else if (check_params(buf, sizeof(buf), params, optarg) < 0) {
2546
                        fprintf(stderr,
2547
                                "qemu: unknown boot parameter '%s' in '%s'\n",
2548
                                buf, optarg);
2549
                        exit(1);
2550
                    }
2551

    
2552
                    if (legacy ||
2553
                        get_param_value(buf, sizeof(buf), "order", optarg)) {
2554
                        validate_bootdevices(buf);
2555
                        pstrcpy(boot_devices, sizeof(boot_devices), buf);
2556
                    }
2557
                    if (!legacy) {
2558
                        if (get_param_value(buf, sizeof(buf),
2559
                                            "once", optarg)) {
2560
                            validate_bootdevices(buf);
2561
                            standard_boot_devices = g_strdup(boot_devices);
2562
                            pstrcpy(boot_devices, sizeof(boot_devices), buf);
2563
                            qemu_register_reset(restore_boot_devices,
2564
                                                standard_boot_devices);
2565
                        }
2566
                        if (get_param_value(buf, sizeof(buf),
2567
                                            "menu", optarg)) {
2568
                            if (!strcmp(buf, "on")) {
2569
                                boot_menu = 1;
2570
                            } else if (!strcmp(buf, "off")) {
2571
                                boot_menu = 0;
2572
                            } else {
2573
                                fprintf(stderr,
2574
                                        "qemu: invalid option value '%s'\n",
2575
                                        buf);
2576
                                exit(1);
2577
                            }
2578
                        }
2579
                        qemu_opts_parse(qemu_find_opts("boot-opts"),
2580
                                        optarg, 0);
2581
                    }
2582
                }
2583
                break;
2584
            case QEMU_OPTION_fda:
2585
            case QEMU_OPTION_fdb:
2586
                drive_add(IF_FLOPPY, popt->index - QEMU_OPTION_fda,
2587
                          optarg, FD_OPTS);
2588
                break;
2589
            case QEMU_OPTION_no_fd_bootchk:
2590
                fd_bootchk = 0;
2591
                break;
2592
            case QEMU_OPTION_netdev:
2593
                if (net_client_parse(qemu_find_opts("netdev"), optarg) == -1) {
2594
                    exit(1);
2595
                }
2596
                break;
2597
            case QEMU_OPTION_net:
2598
                if (net_client_parse(qemu_find_opts("net"), optarg) == -1) {
2599
                    exit(1);
2600
                }
2601
                break;
2602
#ifdef CONFIG_LIBISCSI
2603
            case QEMU_OPTION_iscsi:
2604
                opts = qemu_opts_parse(qemu_find_opts("iscsi"), optarg, 0);
2605
                if (!opts) {
2606
                    exit(1);
2607
                }
2608
                break;
2609
#endif
2610
#ifdef CONFIG_SLIRP
2611
            case QEMU_OPTION_tftp:
2612
                legacy_tftp_prefix = optarg;
2613
                break;
2614
            case QEMU_OPTION_bootp:
2615
                legacy_bootp_filename = optarg;
2616
                break;
2617
            case QEMU_OPTION_redir:
2618
                if (net_slirp_redir(optarg) < 0)
2619
                    exit(1);
2620
                break;
2621
#endif
2622
            case QEMU_OPTION_bt:
2623
                add_device_config(DEV_BT, optarg);
2624
                break;
2625
            case QEMU_OPTION_audio_help:
2626
                if (!(audio_available())) {
2627
                    printf("Option %s not supported for this target\n", popt->name);
2628
                    exit(1);
2629
                }
2630
                AUD_help ();
2631
                exit (0);
2632
                break;
2633
            case QEMU_OPTION_soundhw:
2634
                if (!(audio_available())) {
2635
                    printf("Option %s not supported for this target\n", popt->name);
2636
                    exit(1);
2637
                }
2638
                select_soundhw (optarg);
2639
                break;
2640
            case QEMU_OPTION_h:
2641
                help(0);
2642
                break;
2643
            case QEMU_OPTION_version:
2644
                version();
2645
                exit(0);
2646
                break;
2647
            case QEMU_OPTION_m: {
2648
                int64_t value;
2649
                char *end;
2650

    
2651
                value = strtosz(optarg, &end);
2652
                if (value < 0 || *end) {
2653
                    fprintf(stderr, "qemu: invalid ram size: %s\n", optarg);
2654
                    exit(1);
2655
                }
2656

    
2657
                if (value != (uint64_t)(ram_addr_t)value) {
2658
                    fprintf(stderr, "qemu: ram size too large\n");
2659
                    exit(1);
2660
                }
2661
                ram_size = value;
2662
                break;
2663
            }
2664
            case QEMU_OPTION_mempath:
2665
                mem_path = optarg;
2666
                break;
2667
#ifdef MAP_POPULATE
2668
            case QEMU_OPTION_mem_prealloc:
2669
                mem_prealloc = 1;
2670
                break;
2671
#endif
2672
            case QEMU_OPTION_d:
2673
                log_mask = optarg;
2674
                break;
2675
            case QEMU_OPTION_D:
2676
                log_file = optarg;
2677
                break;
2678
            case QEMU_OPTION_s:
2679
                add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT);
2680
                break;
2681
            case QEMU_OPTION_gdb:
2682
                add_device_config(DEV_GDB, optarg);
2683
                break;
2684
            case QEMU_OPTION_L:
2685
                data_dir = optarg;
2686
                break;
2687
            case QEMU_OPTION_bios:
2688
                bios_name = optarg;
2689
                break;
2690
            case QEMU_OPTION_singlestep:
2691
                singlestep = 1;
2692
                break;
2693
            case QEMU_OPTION_S:
2694
                autostart = 0;
2695
                break;
2696
            case QEMU_OPTION_k:
2697
                keyboard_layout = optarg;
2698
                break;
2699
            case QEMU_OPTION_localtime:
2700
                rtc_utc = 0;
2701
                break;
2702
            case QEMU_OPTION_vga:
2703
                vga_model = optarg;
2704
                break;
2705
            case QEMU_OPTION_g:
2706
                {
2707
                    const char *p;
2708
                    int w, h, depth;
2709
                    p = optarg;
2710
                    w = strtol(p, (char **)&p, 10);
2711
                    if (w <= 0) {
2712
                    graphic_error:
2713
                        fprintf(stderr, "qemu: invalid resolution or depth\n");
2714
                        exit(1);
2715
                    }
2716
                    if (*p != 'x')
2717
                        goto graphic_error;
2718
                    p++;
2719
                    h = strtol(p, (char **)&p, 10);
2720
                    if (h <= 0)
2721
                        goto graphic_error;
2722
                    if (*p == 'x') {
2723
                        p++;
2724
                        depth = strtol(p, (char **)&p, 10);
2725
                        if (depth != 8 && depth != 15 && depth != 16 &&
2726
                            depth != 24 && depth != 32)
2727
                            goto graphic_error;
2728
                    } else if (*p == '\0') {
2729
                        depth = graphic_depth;
2730
                    } else {
2731
                        goto graphic_error;
2732
                    }
2733

    
2734
                    graphic_width = w;
2735
                    graphic_height = h;
2736
                    graphic_depth = depth;
2737
                }
2738
                break;
2739
            case QEMU_OPTION_echr:
2740
                {
2741
                    char *r;
2742
                    term_escape_char = strtol(optarg, &r, 0);
2743
                    if (r == optarg)
2744
                        printf("Bad argument to echr\n");
2745
                    break;
2746
                }
2747
            case QEMU_OPTION_monitor:
2748
                monitor_parse(optarg, "readline");
2749
                default_monitor = 0;
2750
                break;
2751
            case QEMU_OPTION_qmp:
2752
                monitor_parse(optarg, "control");
2753
                default_monitor = 0;
2754
                break;
2755
            case QEMU_OPTION_mon:
2756
                opts = qemu_opts_parse(qemu_find_opts("mon"), optarg, 1);
2757
                if (!opts) {
2758
                    exit(1);
2759
                }
2760
                default_monitor = 0;
2761
                break;
2762
            case QEMU_OPTION_chardev:
2763
                opts = qemu_opts_parse(qemu_find_opts("chardev"), optarg, 1);
2764
                if (!opts) {
2765
                    exit(1);
2766
                }
2767
                break;
2768
            case QEMU_OPTION_fsdev:
2769
                olist = qemu_find_opts("fsdev");
2770
                if (!olist) {
2771
                    fprintf(stderr, "fsdev is not supported by this qemu build.\n");
2772
                    exit(1);
2773
                }
2774
                opts = qemu_opts_parse(olist, optarg, 1);
2775
                if (!opts) {
2776
                    fprintf(stderr, "parse error: %s\n", optarg);
2777
                    exit(1);
2778
                }
2779
                break;
2780
            case QEMU_OPTION_virtfs: {
2781
                QemuOpts *fsdev;
2782
                QemuOpts *device;
2783
                const char *writeout, *sock_fd, *socket;
2784

    
2785
                olist = qemu_find_opts("virtfs");
2786
                if (!olist) {
2787
                    fprintf(stderr, "virtfs is not supported by this qemu build.\n");
2788
                    exit(1);
2789
                }
2790
                opts = qemu_opts_parse(olist, optarg, 1);
2791
                if (!opts) {
2792
                    fprintf(stderr, "parse error: %s\n", optarg);
2793
                    exit(1);
2794
                }
2795

    
2796
                if (qemu_opt_get(opts, "fsdriver") == NULL ||
2797
                    qemu_opt_get(opts, "mount_tag") == NULL) {
2798
                    fprintf(stderr, "Usage: -virtfs fsdriver,mount_tag=tag.\n");
2799
                    exit(1);
2800
                }
2801
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"),
2802
                                         qemu_opt_get(opts, "mount_tag"), 1);
2803
                if (!fsdev) {
2804
                    fprintf(stderr, "duplicate fsdev id: %s\n",
2805
                            qemu_opt_get(opts, "mount_tag"));
2806
                    exit(1);
2807
                }
2808

    
2809
                writeout = qemu_opt_get(opts, "writeout");
2810
                if (writeout) {
2811
#ifdef CONFIG_SYNC_FILE_RANGE
2812
                    qemu_opt_set(fsdev, "writeout", writeout);
2813
#else
2814
                    fprintf(stderr, "writeout=immediate not supported on "
2815
                            "this platform\n");
2816
                    exit(1);
2817
#endif
2818
                }
2819
                qemu_opt_set(fsdev, "fsdriver", qemu_opt_get(opts, "fsdriver"));
2820
                qemu_opt_set(fsdev, "path", qemu_opt_get(opts, "path"));
2821
                qemu_opt_set(fsdev, "security_model",
2822
                             qemu_opt_get(opts, "security_model"));
2823
                socket = qemu_opt_get(opts, "socket");
2824
                if (socket) {
2825
                    qemu_opt_set(fsdev, "socket", socket);
2826
                }
2827
                sock_fd = qemu_opt_get(opts, "sock_fd");
2828
                if (sock_fd) {
2829
                    qemu_opt_set(fsdev, "sock_fd", sock_fd);
2830
                }
2831

    
2832
                qemu_opt_set_bool(fsdev, "readonly",
2833
                                qemu_opt_get_bool(opts, "readonly", 0));
2834
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2835
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2836
                qemu_opt_set(device, "fsdev",
2837
                             qemu_opt_get(opts, "mount_tag"));
2838
                qemu_opt_set(device, "mount_tag",
2839
                             qemu_opt_get(opts, "mount_tag"));
2840
                break;
2841
            }
2842
            case QEMU_OPTION_virtfs_synth: {
2843
                QemuOpts *fsdev;
2844
                QemuOpts *device;
2845

    
2846
                fsdev = qemu_opts_create(qemu_find_opts("fsdev"), "v_synth", 1);
2847
                if (!fsdev) {
2848
                    fprintf(stderr, "duplicate option: %s\n", "virtfs_synth");
2849
                    exit(1);
2850
                }
2851
                qemu_opt_set(fsdev, "fsdriver", "synth");
2852

    
2853
                device = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
2854
                qemu_opt_set(device, "driver", "virtio-9p-pci");
2855
                qemu_opt_set(device, "fsdev", "v_synth");
2856
                qemu_opt_set(device, "mount_tag", "v_synth");
2857
                break;
2858
            }
2859
            case QEMU_OPTION_serial:
2860
                add_device_config(DEV_SERIAL, optarg);
2861
                default_serial = 0;
2862
                if (strncmp(optarg, "mon:", 4) == 0) {
2863
                    default_monitor = 0;
2864
                }
2865
                break;
2866
            case QEMU_OPTION_watchdog:
2867
                if (watchdog) {
2868
                    fprintf(stderr,
2869
                            "qemu: only one watchdog option may be given\n");
2870
                    return 1;
2871
                }
2872
                watchdog = optarg;
2873
                break;
2874
            case QEMU_OPTION_watchdog_action:
2875
                if (select_watchdog_action(optarg) == -1) {
2876
                    fprintf(stderr, "Unknown -watchdog-action parameter\n");
2877
                    exit(1);
2878
                }
2879
                break;
2880
            case QEMU_OPTION_virtiocon:
2881
                add_device_config(DEV_VIRTCON, optarg);
2882
                default_virtcon = 0;
2883
                if (strncmp(optarg, "mon:", 4) == 0) {
2884
                    default_monitor = 0;
2885
                }
2886
                break;
2887
            case QEMU_OPTION_parallel:
2888
                add_device_config(DEV_PARALLEL, optarg);
2889
                default_parallel = 0;
2890
                if (strncmp(optarg, "mon:", 4) == 0) {
2891
                    default_monitor = 0;
2892
                }
2893
                break;
2894
            case QEMU_OPTION_debugcon:
2895
                add_device_config(DEV_DEBUGCON, optarg);
2896
                break;
2897
            case QEMU_OPTION_loadvm:
2898
                loadvm = optarg;
2899
                break;
2900
            case QEMU_OPTION_full_screen:
2901
                full_screen = 1;
2902
                break;
2903
#ifdef CONFIG_SDL
2904
            case QEMU_OPTION_no_frame:
2905
                no_frame = 1;
2906
                break;
2907
            case QEMU_OPTION_alt_grab:
2908
                alt_grab = 1;
2909
                break;
2910
            case QEMU_OPTION_ctrl_grab:
2911
                ctrl_grab = 1;
2912
                break;
2913
            case QEMU_OPTION_no_quit:
2914
                no_quit = 1;
2915
                break;
2916
            case QEMU_OPTION_sdl:
2917
                display_type = DT_SDL;
2918
                break;
2919
#else
2920
            case QEMU_OPTION_no_frame:
2921
            case QEMU_OPTION_alt_grab:
2922
            case QEMU_OPTION_ctrl_grab:
2923
            case QEMU_OPTION_no_quit:
2924
            case QEMU_OPTION_sdl:
2925
                fprintf(stderr, "SDL support is disabled\n");
2926
                exit(1);
2927
#endif
2928
            case QEMU_OPTION_pidfile:
2929
                pid_file = optarg;
2930
                break;
2931
            case QEMU_OPTION_win2k_hack:
2932
                win2k_install_hack = 1;
2933
                break;
2934
            case QEMU_OPTION_rtc_td_hack: {
2935
                static GlobalProperty slew_lost_ticks[] = {
2936
                    {
2937
                        .driver   = "mc146818rtc",
2938
                        .property = "lost_tick_policy",
2939
                        .value    = "slew",
2940
                    },
2941
                    { /* end of list */ }
2942
                };
2943

    
2944
                qdev_prop_register_global_list(slew_lost_ticks);
2945
                break;
2946
            }
2947
            case QEMU_OPTION_acpitable:
2948
                do_acpitable_option(optarg);
2949
                break;
2950
            case QEMU_OPTION_smbios:
2951
                do_smbios_option(optarg);
2952
                break;
2953
            case QEMU_OPTION_enable_kvm:
2954
                olist = qemu_find_opts("machine");
2955
                qemu_opts_parse(olist, "accel=kvm", 0);
2956
                break;
2957
            case QEMU_OPTION_machine:
2958
                olist = qemu_find_opts("machine");
2959
                opts = qemu_opts_parse(olist, optarg, 1);
2960
                if (!opts) {
2961
                    fprintf(stderr, "parse error: %s\n", optarg);
2962
                    exit(1);
2963
                }
2964
                optarg = qemu_opt_get(opts, "type");
2965
                if (optarg) {
2966
                    machine = machine_parse(optarg);
2967
                }
2968
                break;
2969
            case QEMU_OPTION_usb:
2970
                usb_enabled = 1;
2971
                break;
2972
            case QEMU_OPTION_usbdevice:
2973
                usb_enabled = 1;
2974
                add_device_config(DEV_USB, optarg);
2975
                break;
2976
            case QEMU_OPTION_device:
2977
                if (!qemu_opts_parse(qemu_find_opts("device"), optarg, 1)) {
2978
                    exit(1);
2979
                }
2980
                break;
2981
            case QEMU_OPTION_smp:
2982
                smp_parse(optarg);
2983
                if (smp_cpus < 1) {
2984
                    fprintf(stderr, "Invalid number of CPUs\n");
2985
                    exit(1);
2986
                }
2987
                if (max_cpus < smp_cpus) {
2988
                    fprintf(stderr, "maxcpus must be equal to or greater than "
2989
                            "smp\n");
2990
                    exit(1);
2991
                }
2992
                if (max_cpus > 255) {
2993
                    fprintf(stderr, "Unsupported number of maxcpus\n");
2994
                    exit(1);
2995
                }
2996
                break;
2997
            case QEMU_OPTION_vnc:
2998
#ifdef CONFIG_VNC
2999
                display_remote++;
3000
                vnc_display = optarg;
3001
#else
3002
                fprintf(stderr, "VNC support is disabled\n");
3003
                exit(1);
3004
#endif
3005
                break;
3006
            case QEMU_OPTION_no_acpi:
3007
                acpi_enabled = 0;
3008
                break;
3009
            case QEMU_OPTION_no_hpet:
3010
                no_hpet = 1;
3011
                break;
3012
            case QEMU_OPTION_balloon:
3013
                if (balloon_parse(optarg) < 0) {
3014
                    fprintf(stderr, "Unknown -balloon argument %s\n", optarg);
3015
                    exit(1);
3016
                }
3017
                break;
3018
            case QEMU_OPTION_no_reboot:
3019
                no_reboot = 1;
3020
                break;
3021
            case QEMU_OPTION_no_shutdown:
3022
                no_shutdown = 1;
3023
                break;
3024
            case QEMU_OPTION_show_cursor:
3025
                cursor_hide = 0;
3026
                break;
3027
            case QEMU_OPTION_uuid:
3028
                if(qemu_uuid_parse(optarg, qemu_uuid) < 0) {
3029
                    fprintf(stderr, "Fail to parse UUID string."
3030
                            " Wrong format.\n");
3031
                    exit(1);
3032
                }
3033
                break;
3034
            case QEMU_OPTION_option_rom:
3035
                if (nb_option_roms >= MAX_OPTION_ROMS) {
3036
                    fprintf(stderr, "Too many option ROMs\n");
3037
                    exit(1);
3038
                }
3039
                opts = qemu_opts_parse(qemu_find_opts("option-rom"), optarg, 1);
3040
                option_rom[nb_option_roms].name = qemu_opt_get(opts, "romfile");
3041
                option_rom[nb_option_roms].bootindex =
3042
                    qemu_opt_get_number(opts, "bootindex", -1);
3043
                if (!option_rom[nb_option_roms].name) {
3044
                    fprintf(stderr, "Option ROM file is not specified\n");
3045
                    exit(1);
3046
                }
3047
                nb_option_roms++;
3048
                break;
3049
            case QEMU_OPTION_semihosting:
3050
                semihosting_enabled = 1;
3051
                break;
3052
            case QEMU_OPTION_name:
3053
                qemu_name = g_strdup(optarg);
3054
                 {
3055
                     char *p = strchr(qemu_name, ',');
3056
                     if (p != NULL) {
3057
                        *p++ = 0;
3058
                        if (strncmp(p, "process=", 8)) {
3059
                            fprintf(stderr, "Unknown subargument %s to -name\n", p);
3060
                            exit(1);
3061
                        }
3062
                        p += 8;
3063
                        os_set_proc_name(p);
3064
                     }        
3065
                 }        
3066
                break;
3067
            case QEMU_OPTION_prom_env:
3068
                if (nb_prom_envs >= MAX_PROM_ENVS) {
3069
                    fprintf(stderr, "Too many prom variables\n");
3070
                    exit(1);
3071
                }
3072
                prom_envs[nb_prom_envs] = optarg;
3073
                nb_prom_envs++;
3074
                break;
3075
            case QEMU_OPTION_old_param:
3076
                old_param = 1;
3077
                break;
3078
            case QEMU_OPTION_clock:
3079
                configure_alarms(optarg);
3080
                break;
3081
            case QEMU_OPTION_startdate:
3082
                configure_rtc_date_offset(optarg, 1);
3083
                break;
3084
            case QEMU_OPTION_rtc:
3085
                opts = qemu_opts_parse(qemu_find_opts("rtc"), optarg, 0);
3086
                if (!opts) {
3087
                    exit(1);
3088
                }
3089
                configure_rtc(opts);
3090
                break;
3091
            case QEMU_OPTION_tb_size:
3092
                tcg_tb_size = strtol(optarg, NULL, 0);
3093
                if (tcg_tb_size < 0) {
3094
                    tcg_tb_size = 0;
3095
                }
3096
                break;
3097
            case QEMU_OPTION_icount:
3098
                icount_option = optarg;
3099
                break;
3100
            case QEMU_OPTION_incoming:
3101
                incoming = optarg;
3102
                runstate_set(RUN_STATE_INMIGRATE);
3103
                break;
3104
            case QEMU_OPTION_nodefaults:
3105
                default_serial = 0;
3106
                default_parallel = 0;
3107
                default_virtcon = 0;
3108
                default_monitor = 0;
3109
                default_net = 0;
3110
                default_floppy = 0;
3111
                default_cdrom = 0;
3112
                default_sdcard = 0;
3113
                vga_model = "none";
3114
                break;
3115
            case QEMU_OPTION_xen_domid:
3116
                if (!(xen_available())) {
3117
                    printf("Option %s not supported for this target\n", popt->name);
3118
                    exit(1);
3119
                }
3120
                xen_domid = atoi(optarg);
3121
                break;
3122
            case QEMU_OPTION_xen_create:
3123
                if (!(xen_available())) {
3124
                    printf("Option %s not supported for this target\n", popt->name);
3125
                    exit(1);
3126
                }
3127
                xen_mode = XEN_CREATE;
3128
                break;
3129
            case QEMU_OPTION_xen_attach:
3130
                if (!(xen_available())) {
3131
                    printf("Option %s not supported for this target\n", popt->name);
3132
                    exit(1);
3133
                }
3134
                xen_mode = XEN_ATTACH;
3135
                break;
3136
            case QEMU_OPTION_trace:
3137
            {
3138
                opts = qemu_opts_parse(qemu_find_opts("trace"), optarg, 0);
3139
                if (!opts) {
3140
                    exit(1);
3141
                }
3142
                trace_events = qemu_opt_get(opts, "events");
3143
                trace_file = qemu_opt_get(opts, "file");
3144
                break;
3145
            }
3146
            case QEMU_OPTION_readconfig:
3147
                {
3148
                    int ret = qemu_read_config_file(optarg);
3149
                    if (ret < 0) {
3150
                        fprintf(stderr, "read config %s: %s\n", optarg,
3151
                            strerror(-ret));
3152
                        exit(1);
3153
                    }
3154
                    break;
3155
                }
3156
            case QEMU_OPTION_spice:
3157
                olist = qemu_find_opts("spice");
3158
                if (!olist) {
3159
                    fprintf(stderr, "spice is not supported by this qemu build.\n");
3160
                    exit(1);
3161
                }
3162
                opts = qemu_opts_parse(olist, optarg, 0);
3163
                if (!opts) {
3164
                    fprintf(stderr, "parse error: %s\n", optarg);
3165
                    exit(1);
3166
                }
3167
                break;
3168
            case QEMU_OPTION_writeconfig:
3169
                {
3170
                    FILE *fp;
3171
                    if (strcmp(optarg, "-") == 0) {
3172
                        fp = stdout;
3173
                    } else {
3174
                        fp = fopen(optarg, "w");
3175
                        if (fp == NULL) {
3176
                            fprintf(stderr, "open %s: %s\n", optarg, strerror(errno));
3177
                            exit(1);
3178
                        }
3179
                    }
3180
                    qemu_config_write(fp);
3181
                    fclose(fp);
3182
                    break;
3183
                }
3184
            default:
3185
                os_parse_cmd_args(popt->index, optarg);
3186
            }
3187
        }
3188
    }
3189
    loc_set_none();
3190

    
3191
    /* Init CPU def lists, based on config
3192
     * - Must be called after all the qemu_read_config_file() calls
3193
     * - Must be called before list_cpus()
3194
     * - Must be called before machine->init()
3195
     */
3196
    cpudef_init();
3197

    
3198
    if (cpu_model && *cpu_model == '?') {
3199
        list_cpus(stdout, &fprintf, optarg);
3200
        exit(0);
3201
    }
3202

    
3203
    /* Open the logfile at this point, if necessary. We can't open the logfile
3204
     * when encountering either of the logging options (-d or -D) because the
3205
     * other one may be encountered later on the command line, changing the
3206
     * location or level of logging.
3207
     */
3208
    if (log_mask) {
3209
        if (log_file) {
3210
            set_cpu_log_filename(log_file);
3211
        }
3212
        set_cpu_log(log_mask);
3213
    }
3214

    
3215
    if (!trace_backend_init(trace_events, trace_file)) {
3216
        exit(1);
3217
    }
3218

    
3219
    /* If no data_dir is specified then try to find it relative to the
3220
       executable path.  */
3221
    if (!data_dir) {
3222
        data_dir = os_find_datadir(argv[0]);
3223
    }
3224
    /* If all else fails use the install path specified when building. */
3225
    if (!data_dir) {
3226
        data_dir = CONFIG_QEMU_DATADIR;
3227
    }
3228

    
3229
    if (machine == NULL) {
3230
        fprintf(stderr, "No machine found.\n");
3231
        exit(1);
3232
    }
3233

    
3234
    /*
3235
     * Default to max_cpus = smp_cpus, in case the user doesn't
3236
     * specify a max_cpus value.
3237
     */
3238
    if (!max_cpus)
3239
        max_cpus = smp_cpus;
3240

    
3241
    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
3242
    if (smp_cpus > machine->max_cpus) {
3243
        fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
3244
                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
3245
                machine->max_cpus);
3246
        exit(1);
3247
    }
3248

    
3249
    /*
3250
     * Get the default machine options from the machine if it is not already
3251
     * specified either by the configuration file or by the command line.
3252
     */
3253
    if (machine->default_machine_opts) {
3254
        qemu_opts_set_defaults(qemu_find_opts("machine"),
3255
                               machine->default_machine_opts, 0);
3256
    }
3257

    
3258
    qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
3259
    qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL, 0);
3260

    
3261
    if (machine->no_serial) {
3262
        default_serial = 0;
3263
    }
3264
    if (machine->no_parallel) {
3265
        default_parallel = 0;
3266
    }
3267
    if (!machine->use_virtcon) {
3268
        default_virtcon = 0;
3269
    }
3270
    if (machine->no_floppy) {
3271
        default_floppy = 0;
3272
    }
3273
    if (machine->no_cdrom) {
3274
        default_cdrom = 0;
3275
    }
3276
    if (machine->no_sdcard) {
3277
        default_sdcard = 0;
3278
    }
3279

    
3280
    if (display_type == DT_NOGRAPHIC) {
3281
        if (default_parallel)
3282
            add_device_config(DEV_PARALLEL, "null");
3283
        if (default_serial && default_monitor) {
3284
            add_device_config(DEV_SERIAL, "mon:stdio");
3285
        } else if (default_virtcon && default_monitor) {
3286
            add_device_config(DEV_VIRTCON, "mon:stdio");
3287
        } else {
3288
            if (default_serial)
3289
                add_device_config(DEV_SERIAL, "stdio");
3290
            if (default_virtcon)
3291
                add_device_config(DEV_VIRTCON, "stdio");
3292
            if (default_monitor)
3293
                monitor_parse("stdio", "readline");
3294
        }
3295
    } else {
3296
        if (default_serial)
3297
            add_device_config(DEV_SERIAL, "vc:80Cx24C");
3298
        if (default_parallel)
3299
            add_device_config(DEV_PARALLEL, "vc:80Cx24C");
3300
        if (default_monitor)
3301
            monitor_parse("vc:80Cx24C", "readline");
3302
        if (default_virtcon)
3303
            add_device_config(DEV_VIRTCON, "vc:80Cx24C");
3304
    }
3305

    
3306
    socket_init();
3307

    
3308
    if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL, 1) != 0)
3309
        exit(1);
3310
#ifdef CONFIG_VIRTFS
3311
    if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL, 1) != 0) {
3312
        exit(1);
3313
    }
3314
#endif
3315

    
3316
    os_daemonize();
3317

    
3318
    if (pid_file && qemu_create_pidfile(pid_file) != 0) {
3319
        os_pidfile_error();
3320
        exit(1);
3321
    }
3322

    
3323
    /* init the memory */
3324
    if (ram_size == 0) {
3325
        ram_size = DEFAULT_RAM_SIZE * 1024 * 1024;
3326
    }
3327

    
3328
    configure_accelerator();
3329

    
3330
    qemu_init_cpu_loop();
3331
    if (qemu_init_main_loop()) {
3332
        fprintf(stderr, "qemu_init_main_loop failed\n");
3333
        exit(1);
3334
    }
3335

    
3336
    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
3337
    if (machine_opts) {
3338
        kernel_filename = qemu_opt_get(machine_opts, "kernel");
3339
        initrd_filename = qemu_opt_get(machine_opts, "initrd");
3340
        kernel_cmdline = qemu_opt_get(machine_opts, "append");
3341
    } else {
3342
        kernel_filename = initrd_filename = kernel_cmdline = NULL;
3343
    }
3344

    
3345
    if (!kernel_cmdline) {
3346
        kernel_cmdline = "";
3347
    }
3348

    
3349
    linux_boot = (kernel_filename != NULL);
3350

    
3351
    if (!linux_boot && *kernel_cmdline != '\0') {
3352
        fprintf(stderr, "-append only allowed with -kernel option\n");
3353
        exit(1);
3354
    }
3355

    
3356
    if (!linux_boot && initrd_filename != NULL) {
3357
        fprintf(stderr, "-initrd only allowed with -kernel option\n");
3358
        exit(1);
3359
    }
3360

    
3361
    if (!linux_boot && machine_opts && qemu_opt_get(machine_opts, "dtb")) {
3362
        fprintf(stderr, "-dtb only allowed with -kernel option\n");
3363
        exit(1);
3364
    }
3365

    
3366
    os_set_line_buffering();
3367

    
3368
    if (init_timer_alarm() < 0) {
3369
        fprintf(stderr, "could not initialize alarm timer\n");
3370
        exit(1);
3371
    }
3372

    
3373
#ifdef CONFIG_SPICE
3374
    /* spice needs the timers to be initialized by this point */
3375
    qemu_spice_init();
3376
#endif
3377

    
3378
    if (icount_option && (kvm_enabled() || xen_enabled())) {
3379
        fprintf(stderr, "-icount is not allowed with kvm or xen\n");
3380
        exit(1);
3381
    }
3382
    configure_icount(icount_option);
3383

    
3384
    if (net_init_clients() < 0) {
3385
        exit(1);
3386
    }
3387

    
3388
    /* init the bluetooth world */
3389
    if (foreach_device_config(DEV_BT, bt_parse))
3390
        exit(1);
3391

    
3392
    if (!xen_enabled()) {
3393
        /* On 32-bit hosts, QEMU is limited by virtual address space */
3394
        if (ram_size > (2047 << 20) && HOST_LONG_BITS == 32) {
3395
            fprintf(stderr, "qemu: at most 2047 MB RAM can be simulated\n");
3396
            exit(1);
3397
        }
3398
    }
3399

    
3400
    cpu_exec_init_all();
3401

    
3402
    bdrv_init_with_whitelist();
3403

    
3404
    blk_mig_init();
3405

    
3406
    /* open the virtual block devices */
3407
    if (snapshot)
3408
        qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, NULL, 0);
3409
    if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func, &machine->use_scsi, 1) != 0)
3410
        exit(1);
3411

    
3412
    default_drive(default_cdrom, snapshot, machine->use_scsi,
3413
                  IF_DEFAULT, 2, CDROM_OPTS);
3414
    default_drive(default_floppy, snapshot, machine->use_scsi,
3415
                  IF_FLOPPY, 0, FD_OPTS);
3416
    default_drive(default_sdcard, snapshot, machine->use_scsi,
3417
                  IF_SD, 0, SD_OPTS);
3418

    
3419
    register_savevm_live(NULL, "ram", 0, 4, NULL, ram_save_live, NULL,
3420
                         ram_load, NULL);
3421

    
3422
    if (nb_numa_nodes > 0) {
3423
        int i;
3424

    
3425
        if (nb_numa_nodes > MAX_NODES) {
3426
            nb_numa_nodes = MAX_NODES;
3427
        }
3428

    
3429
        /* If no memory size if given for any node, assume the default case
3430
         * and distribute the available memory equally across all nodes
3431
         */
3432
        for (i = 0; i < nb_numa_nodes; i++) {
3433
            if (node_mem[i] != 0)
3434
                break;
3435
        }
3436
        if (i == nb_numa_nodes) {
3437
            uint64_t usedmem = 0;
3438

    
3439
            /* On Linux, the each node's border has to be 8MB aligned,
3440
             * the final node gets the rest.
3441
             */
3442
            for (i = 0; i < nb_numa_nodes - 1; i++) {
3443
                node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1);
3444
                usedmem += node_mem[i];
3445
            }
3446
            node_mem[i] = ram_size - usedmem;
3447
        }
3448

    
3449
        for (i = 0; i < nb_numa_nodes; i++) {
3450
            if (node_cpumask[i] != 0)
3451
                break;
3452
        }
3453
        /* assigning the VCPUs round-robin is easier to implement, guest OSes
3454
         * must cope with this anyway, because there are BIOSes out there in
3455
         * real machines which also use this scheme.
3456
         */
3457
        if (i == nb_numa_nodes) {
3458
            for (i = 0; i < max_cpus; i++) {
3459
                node_cpumask[i % nb_numa_nodes] |= 1 << i;
3460
            }
3461
        }
3462
    }
3463

    
3464
    if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL, 1) != 0) {
3465
        exit(1);
3466
    }
3467

    
3468
    if (foreach_device_config(DEV_SERIAL, serial_parse) < 0)
3469
        exit(1);
3470
    if (foreach_device_config(DEV_PARALLEL, parallel_parse) < 0)
3471
        exit(1);
3472
    if (foreach_device_config(DEV_VIRTCON, virtcon_parse) < 0)
3473
        exit(1);
3474
    if (foreach_device_config(DEV_DEBUGCON, debugcon_parse) < 0)
3475
        exit(1);
3476

    
3477
    /* must be after qdev registration but before machine init */
3478
    if (vga_model) {
3479
        select_vgahw(vga_model);
3480
    } else if (cirrus_vga_available()) {
3481
        select_vgahw("cirrus");
3482
    } else {
3483
        select_vgahw("none");
3484
    }
3485

    
3486
    if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL, 0) != 0)
3487
        exit(0);
3488

    
3489
    if (watchdog) {
3490
        i = select_watchdog(watchdog);
3491
        if (i > 0)
3492
            exit (i == 1 ? 1 : 0);
3493
    }
3494

    
3495
    if (machine->compat_props) {
3496
        qdev_prop_register_global_list(machine->compat_props);
3497
    }
3498
    qemu_add_globals();
3499

    
3500
    qdev_machine_init();
3501

    
3502
    machine->init(ram_size, boot_devices,
3503
                  kernel_filename, kernel_cmdline, initrd_filename, cpu_model);
3504

    
3505
    cpu_synchronize_all_post_init();
3506

    
3507
    set_numa_modes();
3508

    
3509
    current_machine = machine;
3510

    
3511
    /* init USB devices */
3512
    if (usb_enabled) {
3513
        if (foreach_device_config(DEV_USB, usb_parse) < 0)
3514
            exit(1);
3515
    }
3516

    
3517
    /* init generic devices */
3518
    if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL, 1) != 0)
3519
        exit(1);
3520

    
3521
    net_check_clients();
3522

    
3523
    /* just use the first displaystate for the moment */
3524
    ds = get_displaystate();
3525

    
3526
    if (using_spice)
3527
        display_remote++;
3528
    if (display_type == DT_DEFAULT && !display_remote) {
3529
#if defined(CONFIG_SDL) || defined(CONFIG_COCOA)
3530
        display_type = DT_SDL;
3531
#elif defined(CONFIG_VNC)
3532
        vnc_display = "localhost:0,to=99";
3533
        show_vnc_port = 1;
3534
#else
3535
        display_type = DT_NONE;
3536
#endif
3537
    }
3538

    
3539

    
3540
    /* init local displays */
3541
    switch (display_type) {
3542
    case DT_NOGRAPHIC:
3543
        break;
3544
#if defined(CONFIG_CURSES)
3545
    case DT_CURSES:
3546
        curses_display_init(ds, full_screen);
3547
        break;
3548
#endif
3549
#if defined(CONFIG_SDL)
3550
    case DT_SDL:
3551
        sdl_display_init(ds, full_screen, no_frame);
3552
        break;
3553
#elif defined(CONFIG_COCOA)
3554
    case DT_SDL:
3555
        cocoa_display_init(ds, full_screen);
3556
        break;
3557
#endif
3558
    default:
3559
        break;
3560
    }
3561

    
3562
    /* must be after terminal init, SDL library changes signal handlers */
3563
    os_setup_signal_handling();
3564

    
3565
#ifdef CONFIG_VNC
3566
    /* init remote displays */
3567
    if (vnc_display) {
3568
        vnc_display_init(ds);
3569
        if (vnc_display_open(ds, vnc_display) < 0)
3570
            exit(1);
3571

    
3572
        if (show_vnc_port) {
3573
            printf("VNC server running on `%s'\n", vnc_display_local_addr(ds));
3574
        }
3575
    }
3576
#endif
3577
#ifdef CONFIG_SPICE
3578
    if (using_spice && !qxl_enabled) {
3579
        qemu_spice_display_init(ds);
3580
    }
3581
#endif
3582

    
3583
    /* display setup */
3584
    dpy_resize(ds);
3585
    dcl = ds->listeners;
3586
    while (dcl != NULL) {
3587
        if (dcl->dpy_refresh != NULL) {
3588
            ds->gui_timer = qemu_new_timer_ms(rt_clock, gui_update, ds);
3589
            qemu_mod_timer(ds->gui_timer, qemu_get_clock_ms(rt_clock));
3590
            break;
3591
        }
3592
        dcl = dcl->next;
3593
    }
3594
    text_consoles_set_display(ds);
3595

    
3596
    if (foreach_device_config(DEV_GDB, gdbserver_start) < 0) {
3597
        exit(1);
3598
    }
3599

    
3600
    qdev_machine_creation_done();
3601

    
3602
    if (rom_load_all() != 0) {
3603
        fprintf(stderr, "rom loading failed\n");
3604
        exit(1);
3605
    }
3606

    
3607
    /* TODO: once all bus devices are qdevified, this should be done
3608
     * when bus is created by qdev.c */
3609
    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
3610
    qemu_run_machine_init_done_notifiers();
3611

    
3612
    qemu_system_reset(VMRESET_SILENT);
3613
    if (loadvm) {
3614
        if (load_vmstate(loadvm) < 0) {
3615
            autostart = 0;
3616
        }
3617
    }
3618

    
3619
    if (incoming) {
3620
        int ret = qemu_start_incoming_migration(incoming);
3621
        if (ret < 0) {
3622
            fprintf(stderr, "Migration failed. Exit code %s(%d), exiting.\n",
3623
                    incoming, ret);
3624
            exit(ret);
3625
        }
3626
    } else if (autostart) {
3627
        vm_start();
3628
    }
3629

    
3630
    os_setup_post();
3631

    
3632
    resume_all_vcpus();
3633
    main_loop();
3634
    bdrv_close_all();
3635
    pause_all_vcpus();
3636
    net_cleanup();
3637
    res_free();
3638

    
3639
    return 0;
3640
}